It wasn't easily feasible so the original process remains to replace animations with images converted to OGG Vorbis format. Are you having difficulty with it?
I find using VLC media player is fast and easy for this:1. Download VLC:
http://www.videolan.org/vlc/2. Select "Media" -> Click "Convert/Save"
3. Select "Add" -> pick an image file (It should ideally be 640x480 pixels for diplomacy so it doesn't stretch)
4. Click "Convert/Save"
5. Destination file: Click Browse and give it a file name "FILENAME.ogv", click Save
6. Set Profile to -> "Video Theora + Vorbis (ogg)"
7. Click "Start"