There are any number of programs now that can download FLV files from YouTube and other Flash videos sites
Video Download Toolbar is a free Youtube downloader that allows even the most demanding users to download all FLV videos in 1 click. The best videos from the most popular Web sites as YouTube, Google, MySpace, IFilm, Metacafe, Dailymotion, Break, blip.tv, vidiLife, CollegeHumor, Sike, CurrentTV, directly to your computer in the easiest way. With this user-friendly tool you will also be able to automatically save videos from the Web sites and play FLV videos directly from Internet stream (FLVPlayer4Free required). Turbo download, limiting downloading of small videos and don't download duplicates videos functions. Browsing downloaded videos as you like. Supports high definition videos and allows multiple downloads.
What's new in this version:
Version 4.8 is a bug fixing release.
Windows 7, Windows Vista, Windows XP, Windows 2003, Windows Me, Windows 2000, Windows Server 2008