diff --git a/openlp/plugins/custom/forms/editcustomdialog.py b/openlp/plugins/custom/forms/editcustomdialog.py
index fd5e244f2..82238f005 100644
--- a/openlp/plugins/custom/forms/editcustomdialog.py
+++ b/openlp/plugins/custom/forms/editcustomdialog.py
@@ -36,35 +36,35 @@ class Ui_CustomEditDialog(object):
             build_icon(u':/icon/openlp.org-icon-32.bmp'))
         self.gridLayout = QtGui.QGridLayout(customEditDialog)
         self.gridLayout.setObjectName(u'gridLayout')
-        self.horizontalLayout_3 = QtGui.QHBoxLayout()
-        self.horizontalLayout_3.setObjectName(u'horizontalLayout_3')
+        self.horizontalLayout3 = QtGui.QHBoxLayout()
+        self.horizontalLayout3.setObjectName(u'horizontalLayout3')
         self.themeLabel = QtGui.QLabel(customEditDialog)
         self.themeLabel.setObjectName(u'themeLabel')
-        self.horizontalLayout_3.addWidget(self.themeLabel)
+        self.horizontalLayout3.addWidget(self.themeLabel)
         self.themeComboBox = QtGui.QComboBox(customEditDialog)
         self.themeComboBox.setObjectName(u'themeComboBox')
-        self.horizontalLayout_3.addWidget(self.themeComboBox)
-        self.gridLayout.addLayout(self.horizontalLayout_3, 2, 0, 1, 1)
-        self.horizontalLayout_2 = QtGui.QHBoxLayout()
-        self.horizontalLayout_2.setObjectName(u'horizontalLayout_2')
+        self.horizontalLayout3.addWidget(self.themeComboBox)
+        self.gridLayout.addLayout(self.horizontalLayout3, 2, 0, 1, 1)
+        self.horizontalLayout2 = QtGui.QHBoxLayout()
+        self.horizontalLayout2.setObjectName(u'horizontalLayout2')
         self.creditLabel = QtGui.QLabel(customEditDialog)
         self.creditLabel.setObjectName(u'creditLabel')
-        self.horizontalLayout_2.addWidget(self.creditLabel)
+        self.horizontalLayout2.addWidget(self.creditLabel)
         self.creditEdit = QtGui.QLineEdit(customEditDialog)
         self.creditEdit.setObjectName(u'creditEdit')
-        self.horizontalLayout_2.addWidget(self.creditEdit)
-        self.gridLayout.addLayout(self.horizontalLayout_2, 3, 0, 1, 1)
+        self.horizontalLayout2.addWidget(self.creditEdit)
+        self.gridLayout.addLayout(self.horizontalLayout2, 3, 0, 1, 1)
         self.buttonBox = QtGui.QDialogButtonBox(customEditDialog)
         self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel |
             QtGui.QDialogButtonBox.Save)
         self.buttonBox.setObjectName(u'buttonBox')
         self.gridLayout.addWidget(self.buttonBox, 4, 0, 1, 1)
-        self.horizontalLayout_4 = QtGui.QHBoxLayout()
-        self.horizontalLayout_4.setObjectName(u'horizontalLayout_4')
+        self.horizontalLayout4 = QtGui.QHBoxLayout()
+        self.horizontalLayout4.setObjectName(u'horizontalLayout4')
         self.verseListView = QtGui.QListWidget(customEditDialog)
         self.verseListView.setAlternatingRowColors(True)
         self.verseListView.setObjectName(u'verseListView')
-        self.horizontalLayout_4.addWidget(self.verseListView)
+        self.horizontalLayout4.addWidget(self.verseListView)
         self.verticalLayout = QtGui.QVBoxLayout()
         self.verticalLayout.setObjectName(u'verticalLayout')
         self.addButton = QtGui.QPushButton(customEditDialog)
@@ -96,8 +96,8 @@ class Ui_CustomEditDialog(object):
         self.downButton.setIcon(icon2)
         self.downButton.setObjectName(u'downButton')
         self.verticalLayout.addWidget(self.downButton)
-        self.horizontalLayout_4.addLayout(self.verticalLayout)
-        self.gridLayout.addLayout(self.horizontalLayout_4, 1, 0, 1, 1)
+        self.horizontalLayout4.addLayout(self.verticalLayout)
+        self.gridLayout.addLayout(self.horizontalLayout4, 1, 0, 1, 1)
         self.horizontalLayout = QtGui.QHBoxLayout()
         self.horizontalLayout.setObjectName(u'horizontalLayout')
         self.titleLabel = QtGui.QLabel(customEditDialog)
@@ -111,7 +111,7 @@ class Ui_CustomEditDialog(object):
         QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(u'accepted()'),
             customEditDialog.accept)
         QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL(u'rejected()'),
-            customEditDialog.close)
+            customEditDialog.closePressed)
         QtCore.QMetaObject.connectSlotsByName(customEditDialog)
 
     def retranslateUi(self, customEditDialog):
diff --git a/openlp/plugins/custom/forms/editcustomform.py b/openlp/plugins/custom/forms/editcustomform.py
index 18ab98d45..b1ffbd214 100644
--- a/openlp/plugins/custom/forms/editcustomform.py
+++ b/openlp/plugins/custom/forms/editcustomform.py
@@ -78,6 +78,12 @@ class EditCustomForm(QtGui.QDialog, Ui_CustomEditDialog):
         self.slide_form = EditCustomSlideForm(self)
         self.initialise()
 
+    def onPreview(self, button):
+        log.debug(u'onPreview')
+        if button.text() == unicode(translate('CustomPlugin.EditCustomForm',
+            'Save && Preview')) and self.saveCustom():
+            Receiver.send_message(u'custom_preview')
+
     def initialise(self):
         self.addButton.setEnabled(True)
         self.deleteButton.setEnabled(False)
@@ -179,12 +185,6 @@ class EditCustomForm(QtGui.QDialog, Ui_CustomEditDialog):
             self.verseListView.insertItem(selectedRow + 1, qw)
             self.verseListView.setCurrentRow(selectedRow + 1)
 
-    def onPreview(self, button):
-        log.debug(u'onPreview')
-        if button.text() == unicode(translate('CustomPlugin.EditCustomForm',
-            'Save && Preview')) and self.saveCustom():
-            Receiver.send_message(u'custom_preview')
-
     def onVerseListViewPressed(self, item):
         self.deleteButton.setEnabled(True)
         self.editButton.setEnabled(True)
@@ -245,7 +245,7 @@ class EditCustomForm(QtGui.QDialog, Ui_CustomEditDialog):
             else:
                 old_slides = []
                 old_row = self.verseListView.currentRow()
-                # Create a list with all slide (unedited).
+                # Create a list with all (old/unedited) slides.
                 old_slides = [self.verseListView.item(row).text() for row in \
                     range(0, self.verseListView.count())]
                 self.verseListView.clear()
diff --git a/openlp/plugins/custom/forms/editcustomslidedialog.py b/openlp/plugins/custom/forms/editcustomslidedialog.py
index bc6657d90..b0d1970ec 100644
--- a/openlp/plugins/custom/forms/editcustomslidedialog.py
+++ b/openlp/plugins/custom/forms/editcustomslidedialog.py
@@ -35,7 +35,8 @@ class Ui_CustomSlideEditDialog(object):
         self.buttonBox = QtGui.QDialogButtonBox(customSlideEditDialog)
         self.buttonBox.setGeometry(QtCore.QRect(8, 407, 458, 32))
         self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
-        self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Save)
+        self.buttonBox.setStandardButtons(QtGui.QDialogButtonBox.Cancel |
+            QtGui.QDialogButtonBox.Save)
         self.buttonBox.setObjectName(u'buttonBox')
         self.verseTextEdit = QtGui.QTextEdit(customSlideEditDialog)
         self.verseTextEdit.setGeometry(QtCore.QRect(8, 8, 451, 341))
diff --git a/openlp/plugins/custom/forms/editcustomslideform.py b/openlp/plugins/custom/forms/editcustomslideform.py
index b20c51010..a3296377b 100644
--- a/openlp/plugins/custom/forms/editcustomslideform.py
+++ b/openlp/plugins/custom/forms/editcustomslideform.py
@@ -68,6 +68,9 @@ class EditCustomSlideForm(QtGui.QDialog, Ui_CustomSlideEditDialog):
         return self.verseTextEdit.toPlainText().split(u'\n[---]\n')
 
     def onSplitButtonPressed(self):
+        """
+        Splits a slide in two slides.
+        """
         if self.verseTextEdit.textCursor().columnNumber() != 0:
             self.verseTextEdit.insertPlainText(u'\n')
         self.verseTextEdit.insertPlainText(u'[---]\n' )
diff --git a/resources/forms/editcustomslidedialog.ui b/resources/forms/editcustomslidedialog.ui
new file mode 100644
index 000000000..9bc502274
--- /dev/null
+++ b/resources/forms/editcustomslidedialog.ui
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>customSlideEditDialog</class>
+ <widget class="QDialog" name="customSlideEditDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>474</width>
+    <height>442</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QDialogButtonBox" name="buttonBox">
+   <property name="geometry">
+    <rect>
+     <x>8</x>
+     <y>407</y>
+     <width>458</width>
+     <height>32</height>
+    </rect>
+   </property>
+   <property name="orientation">
+    <enum>Qt::Horizontal</enum>
+   </property>
+   <property name="standardButtons">
+    <set>QDialogButtonBox::Cancel|QDialogButtonBox::Save</set>
+   </property>
+  </widget>
+  <widget class="QTextEdit" name="VerseTextEdit">
+   <property name="geometry">
+    <rect>
+     <x>8</x>
+     <y>8</y>
+     <width>451</width>
+     <height>341</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="SplitButton">
+   <property name="geometry">
+    <rect>
+     <x>370</x>
+     <y>360</y>
+     <width>85</width>
+     <height>27</height>
+    </rect>
+   </property>
+   <property name="toolTip">
+    <string extracomment="Add new slide split"/>
+   </property>
+   <property name="text">
+    <string>Split Slide</string>
+   </property>
+  </widget>
+ </widget>
+ <resources>
+  <include location="../images/openlp-2.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>customSlideEditDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>customSlideEditDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>