Screen Video Capture Software

I Need Free screen video capture software to start a youtube campaign. I used camstudio but that worked like some crap. 1 min video with the worst quality and size 2 gb.

Please tell me about a good free video capture sofware that you have used.

ModEdit:
Request now fulfilled.
Download links below.

Last edited by MaxWeber; 06-12-2012 at 01:30 PM. Reason: Request now fulfilled. Download links below.