Added documentation for presentation and media app overwrite and media selector.

manual/source/configure.rst

@@ -473,6 +473,8 @@ Choose the language of the bible books. The options are:
 **English:**
   The language of the books will be set to English.
 
+.. _presentation_configure:
+
 Presentations
 =============
 

manual/source/mediamanager.rst

@@ -255,6 +255,16 @@ added. When the items are added, only items with the correct file suffix for the
 plugin will be loaded. If you try to drop a presentation into the images folder, 
 an error message will be generated.
 
+In :ref:`presentation_configure` configuration it is possible to enable 
+:guilabel:`Allow presentation application to be overridden`, which shows a
+dropdown box which gives you the option to select the presentation application
+you want to use. The default is :guilabel:`Automatic`, but you can choose any
+available presentation application. Note that this can lead to unexpected
+behaviour if the application chosen is not compatible with the presentation.
+
+.. image:: pics/media_manager_presentation_select.png
+
+
 Images
 ------
 
@@ -329,7 +339,13 @@ Toolbar
 |buttons_media_optical| **Load CD/DVD:**
     Import mediaclip from audio CD or DVD. This feature only works if VLC is
     installed on the computer and enabled in OpenLP. See :ref:`config_players`
-    for how to configure media players.
+    for how to configure media players. Clicking the icon will bring up a window
+    where you can load a DVD or audio CD and select a track and a range and save
+    it as a named media clip. Note that the audio CD or DVD is still required
+    when playing the media clip, even if the media clip is saved to a service
+    file.
+
+.. image:: pics/select_media_clip.png
 
 |buttons_open| **Load media:**
     Import one or more media files. Media files need to be imported in order to
@@ -365,6 +381,13 @@ are added, only items with the correct file suffix for the plugin will be loaded
 If you try to drop a presentation into the images folder, an error message will 
 be generated.
 
+In :ref:`media_configure` configuration it is possible to enable 
+:guilabel:`Allow media player to be overridden`, which shows a dropdown box
+which gives you the option to select the media player you want to use. The
+default is :guilabel:`Automatic`, but you can choose any available player.
+
+.. image:: pics/media_manager_media_select.png
+
 Custom Slides
 -------------