From SpyDrake Software:
DVD Detective FLV Converter is a very easy to use and fast application that let's you convert FLV files, such as the ones you download from YouTube, Google Video, Yahoo! Video, metacafe, Reuters.com, and many others to: AVI, MP4, MPEG, 3GP, WMV, or MP3. It also converts AVI to FLV, MP4 to FLV, 3GP to FLV, and WMV to FLV. Bulk Processing View Videos Inside Application Fast and Easy to Use.