FLV.com FLV Downloader allows you to download videos from YouTube, including HD and HQ videos, FaceBook, Yahoo, Dailymotion and 50+ others and helps you convert them to other video formats (iPod, iPhone, iPad, PSP, Cell Phone, Windows Media, XVid and MP3). The program is available in multiple languages. A premium version ($19.90) will unlock enhanced features such as faster download times or multiple concurrent downloads.
The application is very light and easy to use. To download a clip just copy/paste the URL. No speed limitation is applied. The only limitation to the download speed is determined by the user's internet connection bandwidth.
This is meant for the average internet user. No special knowledge is required. The software is easy to use.