"recordMyDesktop will allow you to create a screencast and choose the video and audio quality, frame rate, include or exclude window decorations and the mouse pointer. It's easy to use and will surely do its job in a few clicks.
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XVidCap
XVidCap is another pretty good GTK-based recording application. The first thing which jumps into attention when starting XVidCap is a red rectangle which can be moved around and resized and which will allow you to record only a certain portion of the desktop."