Also see Manslide: http://qt-apps.org/content/show.php/Manslide?content=55945
<b>screen to video</b>
http://www.screentoaster.com/ – do it online
http://camstudio.org/ – windows
On Ubuntu repositories there is great program called "avidemux" which can convert MOV to AVI with greatest ease. Open, Save as, that’s all. You can also choose codec, recalculate compression to make target AVI of specified size etc.