Youtube Video Downloader 2.0
Youtube Video Downloader will let you download favor videos from YouTube.com. So you may convert the downloaded videos to 3gp, mp4 formats which can be played in your cell phone,iPod and PSP by using the Mobile Video Converter(3gp & MP4 Converter).
Put a free download button on your own website
Support Mobile Video(3GP & MP4) Converter, just copy+paste this html: