Try VideoGet. It downloads from YouTube, Crunchyroll, MetaCafe and other 450+ video websites.
Full List of supported videos websites:
http://nuclear-coffee.com/php/supported_services.php?id=VideoGet
VideoGet also providing you with ability to convert each video in most popular formats for more comfortable video playback. VideoGet supports AVI, MPEG1, MPEG2, WMV, FLV, MP4, 3GP, MP3 file formats, so you will be able not only to view it, but also put it into your iPod, mobile phone or any other portable device
Watch here:
http://www.youtube.com/watch?v=6R9VCNtFrs4