On 13 Apr 2008, at 01:06, Steven Harms wrote:
I was thinking of making a screencast that shows off a bundle i wrote.
When I tried to test out some sample content and posted it to YouTube and Google Video it looked like absolute crap.
I seem to recall that allan posted a guide on how he made the 'casts somewhere in the wiki, but i can't find it.
It was a blog post: http://blog.macromates.com/2007/recording-screencasts/
As others have noted, your problem is (likely) that the two video services present a downsampled version of your movie.