Good YouTube Downloader -wantyoutube.com

Wantyoutube is a useful YouTube downloader  tool. Not only youtube, it is available for more than 400 websites for downloading.

Supports Video-sharing Websites:

5min, Break, Current, Dailymotion, Facebook,Google Video, ku6, Megavideo, Megaporn, Metacafe, Myspace, Photobucket, Sina, Spike, Tudou, Veoh, Vimeo, Yahoo Videos, FC2, Yam, Youku, Youtube, Xuite, Xvideos, 56.com

It is a popular, free webpage that enables you to download and convert online videos (legal content, to which you have the rights) for later viewing on your desktop or mobile device. It can convert files to MOV, MP4, 3GP, WMV, AVI, or MP3.

Try http://www.wantyoutube.com/