You should probably check out Fast Video Download 2.0
It's the only free Video Recorder that I know of, there are plenty of other good ones like
WM Recorder and
Replay Media Catcher , but Fast Video Download is quite good
Fast Video Download supports the following sites: AG.ru, Angry Alien, badjojo.com, break.com, bubblare.dk, Current.com, Daily Motion, hi5.com, metacafe.com, Google Video, MySpace, mult.ru, putfile.com, Streetfire, vidiac.com and YouTube. Videos from other sites can be downloaded using Replay Media Catcher.
New with version 2.0: Fast Video Download supports more web sites, including YouTube, Google Video, MySpace Video, DailyMotion, Metacafe, Break.com, Blip.tv, Spike, MyVideo.de, YourFileHost, zippyvideos.com, yikers.com, vimeo.com, videos.streetfire.net, revver.com, kontraband.com, collegehumor.com, blastro.com, videoalbumy.azet.sk. pornotube.com, dachix.com, badjojo.com, pornhub.com, redtube.com and others.