YouTube FLV Downloader is a free tool designed for users to download and arrange web videos (*.flv, *.f4v) from YouTube, Google Video, Fox and other more video-sharing websites. It is more than a FLV downloader; it is also a powerful web video library to watch downloaded FLV videos with full control.
With it, you can download any web videos (*.flv, *.f4v) from YouTube, Google Video, Fox and other more video-sharing websites; backup and arrange the downloaded videos to the FLV library, create your preferred FLV playlists and playback them with independent FLV player.
Moreover, if you like, upgrade the YouTube FLV Downloader to the Pro version, you can convert any FLV to other formats like MP4, 3GP, AVI, MOV, MPG, MKV, FLV, MP3, MKA, WAV, AC3, M4A, etc., so that you can playback them on your iPhone, iPod, Blackberry, PSP, Zune, 3G mobile phones, or any other portable devices.
OS requirement: Windows NT4.0 + SP6/2000/XP or above
64MB Memory (128MB recommended)
512MB hard disc space or above
Microsoft DirectX 8.1 or above
Hope this helps :')