YouTube Downloader can download videos from these sites and many more:

• Youtube
• BadJoJo
• BBC.co.uk
• Bing Video
• Blip.tv
• Bofunk
• Break
• CollegeHumor
• CSPAN
• DailyHaHa
• DailyMotion
• EbaumsWorld
• Facebook
• Gaytube
• GodTube
• Google Video
• Hentaimedia
• Internet Archive
• LiveLeak
• MeFeedia
• Metacafe
• Myspace Video
• Pornhost
• Pornhub
• PornoTube
• RedTube
• Sevenload
• Shufuni
• Slutload
• Spankwire
• Streetfire.net
• Tangle
• ThatVideoSite
• TNAflix
• Tontuyau
• Tube8
• Ustream.tv
• VideoClipsDump
• VideoJug
• Videu.de
• Vimeo
• Worldstarhiphop
• Xhamster
• XNXX
• Xtube
• XVideoHost
• XVideos
• Yahoo Video
• YouJizz
• YouPorn
• Youku
• Zorpia