diff --git a/openlp/core/lib/__init__.py b/openlp/core/lib/__init__.py
index 0591d397c..5966e39f9 100644
--- a/openlp/core/lib/__init__.py
+++ b/openlp/core/lib/__init__.py
@@ -282,14 +282,15 @@ def resize_image(image_path, width, height, background=u'#000000'):
     if image_ratio == resize_ratio:
         # We neither need to centre the image nor add "bars" to the image.
         return preview
-    realw = preview.width()
-    realh = preview.height()
+    real_width = preview.width()
+    real_height = preview.height()
     # and move it to the centre of the preview space
     new_image = QtGui.QImage(width, height,
         QtGui.QImage.Format_ARGB32_Premultiplied)
     painter = QtGui.QPainter(new_image)
     painter.fillRect(new_image.rect(), QtGui.QColor(background))
-    painter.drawImage((width - realw) / 2, (height - realh) / 2, preview)
+    painter.drawImage(
+        (width - real_width) / 2, (height - real_height) / 2, preview)
     return new_image
 
 
diff --git a/openlp/core/lib/mediamanageritem.py b/openlp/core/lib/mediamanageritem.py
index e6c5b0599..ce0797240 100644
--- a/openlp/core/lib/mediamanageritem.py
+++ b/openlp/core/lib/mediamanageritem.py
@@ -352,24 +352,23 @@ class MediaManagerItem(QtGui.QWidget):
         ``files``
             The list of files to be loaded
         """
-        #FIXME: change local variables to words_separated_by_underscores.
-        newFiles = []
-        errorShown = False
+        new_files = []
+        error_shown = False
         for file in files:
             type = file.split(u'.')[-1]
             if type.lower() not in self.onNewFileMasks:
-                if not errorShown:
+                if not error_shown:
                     critical_error_message_box(
                         translate('OpenLP.MediaManagerItem',
                         'Invalid File Type'),
                         unicode(translate('OpenLP.MediaManagerItem',
                         'Invalid File %s.\nSuffix not supported'))
                         % file)
-                    errorShown = True
+                    error_shown = True
             else:
-                newFiles.append(file)
-        if files:
-            self.validateAndLoad(newFiles)
+                new_files.append(file)
+        if new_files:
+            self.validateAndLoad(new_files)
 
     def validateAndLoad(self, files):
         """
@@ -379,30 +378,29 @@ class MediaManagerItem(QtGui.QWidget):
         ``files``
             The files to be loaded.
         """
-        #FIXME: change local variables to words_separated_by_underscores.
         names = []
-        fullList = []
+        full_list = []
         for count in range(self.listView.count()):
             names.append(unicode(self.listView.item(count).text()))
-            fullList.append(unicode(self.listView.item(count).
+            full_list.append(unicode(self.listView.item(count).
                 data(QtCore.Qt.UserRole).toString()))
-        duplicatesFound = False
-        filesAdded = False
+        duplicates_found = False
+        files_added = False
         for file in files:
             filename = os.path.split(unicode(file))[1]
             if filename in names:
-                duplicatesFound = True
+                duplicates_found = True
             else:
-                filesAdded = True
-                fullList.append(file)
-        if fullList and filesAdded:
+                files_added = True
+                full_list.append(file)
+        if full_list and files_added:
             self.listView.clear()
-            self.loadList(fullList)
-            lastDir = os.path.split(unicode(files[0]))[0]
-            SettingsManager.set_last_dir(self.settingsSection, lastDir)
+            self.loadList(full_list)
+            last_dir = os.path.split(unicode(files[0]))[0]
+            SettingsManager.set_last_dir(self.settingsSection, last_dir)
             SettingsManager.set_list(self.settingsSection,
                 self.settingsSection, self.getFileList())
-        if duplicatesFound:
+        if duplicates_found:
             critical_error_message_box(
                 UiStrings().Duplicate,
                 unicode(translate('OpenLP.MediaManagerItem',
@@ -422,13 +420,13 @@ class MediaManagerItem(QtGui.QWidget):
         Return the current list of files
         """
         count = 0
-        filelist = []
+        file_list = []
         while count < self.listView.count():
             bitem = self.listView.item(count)
             filename = unicode(bitem.data(QtCore.Qt.UserRole).toString())
-            filelist.append(filename)
+            file_list.append(filename)
             count += 1
-        return filelist
+        return file_list
 
     def loadList(self, list):
         raise NotImplementedError(u'MediaManagerItem.loadList needs to be '
@@ -477,9 +475,8 @@ class MediaManagerItem(QtGui.QWidget):
         Allows the change of current item in the list to be actioned
         """
         if Settings().value(u'advanced/single click preview',
-            QtCore.QVariant(False)).toBool() and self.quickPreviewAllowed \
-            and self.listView.selectedIndexes() \
-            and self.autoSelectId == -1:
+            QtCore.QVariant(False)).toBool() and self.quickPreviewAllowed and \
+            self.listView.selectedIndexes() and self.autoSelectId == -1:
             self.onPreviewClick(True)
 
     def onPreviewClick(self, keepFocus=False):
diff --git a/openlp/core/lib/renderer.py b/openlp/core/lib/renderer.py
index ae9803a7f..81d5361cb 100644
--- a/openlp/core/lib/renderer.py
+++ b/openlp/core/lib/renderer.py
@@ -82,6 +82,9 @@ class Renderer(object):
         self._calculate_default()
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'theme_update_global'), self.set_global_theme)
+        self.web = QtWebKit.QWebView()
+        self.web.setVisible(False)
+        self.web_frame = self.web.page().mainFrame()
 
     def update_display(self):
         """
@@ -403,10 +406,7 @@ class Renderer(object):
         if theme_data.font_main_shadow:
             self.page_width -= int(theme_data.font_main_shadow_size)
             self.page_height -= int(theme_data.font_main_shadow_size)
-        self.web = QtWebKit.QWebView()
-        self.web.setVisible(False)
         self.web.resize(self.page_width, self.page_height)
-        self.web_frame = self.web.page().mainFrame()
         # Adjust width and height to account for shadow. outline done in css.
         html = u"""<!DOCTYPE html><html><head><script>
             function show_text(newtext) {
diff --git a/openlp/core/lib/serviceitem.py b/openlp/core/lib/serviceitem.py
index 76b731307..a5b9c524b 100644
--- a/openlp/core/lib/serviceitem.py
+++ b/openlp/core/lib/serviceitem.py
@@ -179,7 +179,7 @@ class ServiceItem(object):
             self.renderer.set_item_theme(self.theme)
             self.themedata, self.main, self.footer = self.renderer.pre_render()
         if self.service_item_type == ServiceItemType.Text:
-            log.debug(u'Formatting slides')
+            log.debug(u'Formatting slides: %s' % self.title)
             for slide in self._raw_frames:
                 pages = self.renderer.format_slide(slide[u'raw_slide'], self)
                 for page in pages:
diff --git a/openlp/core/ui/themeform.py b/openlp/core/ui/themeform.py
index 35421c453..46ad0b773 100644
--- a/openlp/core/ui/themeform.py
+++ b/openlp/core/ui/themeform.py
@@ -228,10 +228,8 @@ class ThemeForm(QtGui.QWizard, Ui_ThemeWizard):
         """
         Detects Page changes and updates as approprate.
         """
-        if self.page(pageId) == self.areaPositionPage:
-            self.setOption(QtGui.QWizard.HaveCustomButton1, True)
-        else:
-            self.setOption(QtGui.QWizard.HaveCustomButton1, False)
+        enabled = self.page(pageId) == self.areaPositionPage
+        self.setOption(QtGui.QWizard.HaveCustomButton1, enabled)
         if self.page(pageId) == self.previewPage:
             self.updateTheme()
             frame = self.thememanager.generateImage(self.theme)
diff --git a/openlp/core/ui/thememanager.py b/openlp/core/ui/thememanager.py
index e63b9e615..585ab2329 100644
--- a/openlp/core/ui/thememanager.py
+++ b/openlp/core/ui/thememanager.py
@@ -139,14 +139,14 @@ class ThemeManager(QtGui.QWidget):
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'config_updated'), self.configUpdated)
         # Variables
-        self.theme_list = []
+        self.themeList = []
         self.path = AppLocation.get_section_data_path(self.settingsSection)
         check_directory_exists(self.path)
-        self.thumb_path = os.path.join(self.path, u'thumbnails')
-        check_directory_exists(self.thumb_path)
+        self.thumbPath = os.path.join(self.path, u'thumbnails')
+        check_directory_exists(self.thumbPath)
         self.themeForm.path = self.path
-        self.old_background_image = None
-        self.bad_v1_name_chars = re.compile(r'[%+\[\]]')
+        self.oldBackgroundImage = None
+        self.badV1NameChars = re.compile(r'[%+\[\]]')
         # Last little bits of setting up
         self.configUpdated()
 
@@ -194,14 +194,10 @@ class ThemeManager(QtGui.QWidget):
             return
         real_theme_name = unicode(item.data(QtCore.Qt.UserRole).toString())
         theme_name = unicode(item.text())
-        self.deleteAction.setVisible(False)
-        self.renameAction.setVisible(False)
-        self.globalAction.setVisible(False)
-        # If default theme restrict actions
-        if real_theme_name == theme_name:
-            self.deleteAction.setVisible(True)
-            self.renameAction.setVisible(True)
-            self.globalAction.setVisible(True)
+        visible = real_theme_name == theme_name
+        self.deleteAction.setVisible(visible)
+        self.renameAction.setVisible(visible)
+        self.globalAction.setVisible(visible)
         self.menu.exec_(self.themeListWidget.mapToGlobal(point))
 
     def changeGlobalFromTab(self, theme_name):
@@ -330,10 +326,10 @@ class ThemeManager(QtGui.QWidget):
             theme = self.getThemeData(
                 unicode(item.data(QtCore.Qt.UserRole).toString()))
             if theme.background_type == u'image':
-                self.old_background_image = theme.background_filename
+                self.oldBackgroundImage = theme.background_filename
             self.themeForm.theme = theme
             self.themeForm.exec_(True)
-            self.old_background_image = None
+            self.oldBackgroundImage = None
             self.mainwindow.renderer.update_theme(theme.theme_name)
 
     def onDeleteTheme(self):
@@ -361,10 +357,10 @@ class ThemeManager(QtGui.QWidget):
         ``theme``
             The theme to delete.
         """
-        self.theme_list.remove(theme)
+        self.themeList.remove(theme)
         thumb = u'%s.png' % theme
         delete_file(os.path.join(self.path, thumb))
-        delete_file(os.path.join(self.thumb_path, thumb))
+        delete_file(os.path.join(self.thumbPath, thumb))
         try:
             encoding = get_filesystem_encoding()
             shutil.rmtree(os.path.join(self.path, theme).encode(encoding))
@@ -442,7 +438,7 @@ class ThemeManager(QtGui.QWidget):
         The plugins will call back in to get the real list if they want it.
         """
         log.debug(u'Load themes from dir')
-        self.theme_list = []
+        self.themeList = []
         self.themeListWidget.clear()
         files = SettingsManager.get_files(self.settingsSection, u'.png')
         if firstTime:
@@ -473,16 +469,17 @@ class ThemeManager(QtGui.QWidget):
                         '%s (default)')) % text_name
                 else:
                     name = text_name
-                thumb = os.path.join(self.thumb_path, u'%s.png' % text_name)
+                thumb = os.path.join(self.thumbPath, u'%s.png' % text_name)
                 item_name = QtGui.QListWidgetItem(name)
                 if validate_thumb(theme, thumb):
                     icon = build_icon(thumb)
                 else:
                     icon = create_thumb(theme, thumb)
                 item_name.setIcon(icon)
-                item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(text_name))
+                item_name.setData(
+                    QtCore.Qt.UserRole, QtCore.QVariant(text_name))
                 self.themeListWidget.addItem(item_name)
-                self.theme_list.append(text_name)
+                self.themeList.append(text_name)
         self._pushThemes()
 
     def _pushThemes(self):
@@ -495,7 +492,7 @@ class ThemeManager(QtGui.QWidget):
         """
         Return the list of loaded themes
         """
-        return self.theme_list
+        return self.themeList
 
     def getThemeData(self, theme_name):
         """
@@ -509,7 +506,7 @@ class ThemeManager(QtGui.QWidget):
             unicode(theme_name) + u'.xml')
         xml = get_text_file_string(xml_file)
         if not xml:
-            log.debug("No theme data - using default theme")
+            log.debug(u'No theme data - using default theme')
             return ThemeXML()
         else:
             return self._createThemeFromXml(xml, self.path)
@@ -547,8 +544,9 @@ class ThemeManager(QtGui.QWidget):
             xml_tree = ElementTree(element=XML(zip.read(xml_file[0]))).getroot()
             v1_background = xml_tree.find(u'BackgroundType')
             if v1_background is not None:
-                theme_name, file_xml, out_file, abort_import = self.unzipVersion122(dir, zip,
-                    xml_file[0], xml_tree, v1_background, out_file)
+                theme_name, file_xml, out_file, abort_import = \
+                    self.unzipVersion122(
+                    dir, zip, xml_file[0], xml_tree, v1_background, out_file)
             else:
                 theme_name = xml_tree.find(u'name').text.strip()
                 theme_folder = os.path.join(dir, theme_name)
@@ -601,8 +599,8 @@ class ThemeManager(QtGui.QWidget):
                 if file_xml:
                     theme = self._createThemeFromXml(file_xml, self.path)
                     self.generateAndSaveImage(dir, theme_name, theme)
-                # Only show the error message, when IOError was not raised (in this
-                # case the error message has already been shown).
+                # Only show the error message, when IOError was not raised (in
+                # this case the error message has already been shown).
                 elif zip is not None:
                     critical_error_message_box(
                         translate('OpenLP.ThemeManager', 'Validation Error'),
@@ -611,13 +609,14 @@ class ThemeManager(QtGui.QWidget):
                     log.exception(u'Theme file does not contain XML data %s' %
                         file_name)
 
-    def unzipVersion122(self, dir, zip, xml_file, xml_tree, background, out_file):
+    def unzipVersion122(self, dir, zip, xml_file, xml_tree, background,
+        out_file):
         """
         Unzip openlp.org 1.2x theme file and upgrade the theme xml. When calling
         this method, please keep in mind, that some parameters are redundant.
         """
         theme_name = xml_tree.find(u'Name').text.strip()
-        theme_name = self.bad_v1_name_chars.sub(u'', theme_name)
+        theme_name = self.badV1NameChars.sub(u'', theme_name)
         theme_folder = os.path.join(dir, theme_name)
         theme_exists = os.path.exists(theme_folder)
         if theme_exists and not self.overWriteMessageBox(theme_name):
@@ -632,12 +631,12 @@ class ThemeManager(QtGui.QWidget):
         if background.text.strip() == u'2':
             image_name = xml_tree.find(u'BackgroundParameter1').text.strip()
             # image file has same extension and is in subfolder
-            imagefile = filter(lambda name: os.path.splitext(name)[1].lower()
+            image_file = filter(lambda name: os.path.splitext(name)[1].lower()
                 == os.path.splitext(image_name)[1].lower() and name.find(r'/'),
                 zip.namelist())
-            if len(imagefile) >= 1:
+            if len(image_file) >= 1:
                 out_file = open(os.path.join(themedir, image_name), u'wb')
-                out_file.write(zip.read(imagefile[0]))
+                out_file.write(zip.read(image_file[0]))
                 out_file.close()
             else:
                 log.exception(u'Theme file does not contain image file "%s"' %
@@ -686,9 +685,8 @@ class ThemeManager(QtGui.QWidget):
         theme_dir = os.path.join(self.path, name)
         check_directory_exists(theme_dir)
         theme_file = os.path.join(theme_dir, name + u'.xml')
-        if self.old_background_image and \
-            image_to != self.old_background_image:
-            delete_file(self.old_background_image)
+        if self.oldBackgroundImage and image_to != self.oldBackgroundImage:
+            delete_file(self.oldBackgroundImage)
         out_file = None
         try:
             out_file = open(theme_file, u'w')
@@ -715,7 +713,7 @@ class ThemeManager(QtGui.QWidget):
         if os.path.exists(sample_path_name):
             os.unlink(sample_path_name)
         frame.save(sample_path_name, u'png')
-        thumb = os.path.join(self.thumb_path, u'%s.png' % name)
+        thumb = os.path.join(self.thumbPath, u'%s.png' % name)
         create_thumb(sample_path_name, thumb, False)
         log.debug(u'Theme image written to %s', sample_path_name)
 
@@ -723,8 +721,8 @@ class ThemeManager(QtGui.QWidget):
         """
         Called to update the themes' preview images.
         """
-        self.mainwindow.displayProgressBar(len(self.theme_list))
-        for theme in self.theme_list:
+        self.mainwindow.displayProgressBar(len(self.themeList))
+        for theme in self.themeList:
             self.mainwindow.incrementProgressBar()
             self.generateAndSaveImage(
                 self.path, theme, self.getThemeData(theme))
@@ -820,7 +818,7 @@ class ThemeManager(QtGui.QWidget):
         """
         theme = Theme(xml_data)
         new_theme = ThemeXML()
-        new_theme.theme_name = self.bad_v1_name_chars.sub(u'', theme.Name)
+        new_theme.theme_name = self.badV1NameChars.sub(u'', theme.Name)
         if theme.BackgroundType == 0:
             new_theme.background_type = \
                 BackgroundType.to_string(BackgroundType.Solid)
diff --git a/openlp/core/ui/themewizard.py b/openlp/core/ui/themewizard.py
index 6d14cac68..08d1718af 100644
--- a/openlp/core/ui/themewizard.py
+++ b/openlp/core/ui/themewizard.py
@@ -552,11 +552,9 @@ class Ui_ThemeWizard(object):
         themeWizard.setButtonText(QtGui.QWizard.CustomButton1,
             translate('OpenLP.ThemeWizard', 'Layout Preview'))
         self.previewPage.setTitle(
-            translate('OpenLP.ThemeWizard', 'Save and Preview'))
+            translate('OpenLP.ThemeWizard', 'Preview and Save'))
         self.previewPage.setSubTitle(
-            translate('OpenLP.ThemeWizard', 'View the theme and save it '
-                'replacing the current one or change the name to create a '
-                'new theme'))
+            translate('OpenLP.ThemeWizard', 'Preview the theme and save it.'))
         self.themeNameLabel.setText(
             translate('OpenLP.ThemeWizard', 'Theme name:'))
         # Align all QFormLayouts towards each other.