Here's one that outlines using VNC and then converting it to swf:
http://desktops.linux.com/article.pl?sid=04/07/26/1815242&tid=6

There are other methods but this one seemed like the most straight
forward as long as you don't mind the swf format. Disclaimer: I
haven't tried this myself!

Just google for "video vnc" or "video vnc howto" or "video vnc howtos".

Good luck! Let us know how it works.

_Eric

On 11/9/06, Donovan Niesen <dniesen at gmail.com> wrote:
> I'm looking for a way to capture an X.org session into a video.  I've
> seen demos of this type of thing on YouTube and other source but my
> Google powers are lacking today.  Has anybody done something like
> this?
>
>
> --
> Donovan Niesen
>
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