2 proghrams freeware que permiten la conversion de esos archivos FLV de YouTube a archivos de video AVI o MPEG entre otros:
Riva FLV Encoder 2:
License Free
Limitations No limitations
Requirements Windows 98/Me/NT/2000/XP
File size 4.73MB
http://rivavx.com/index.php?encoder&L=3
http://www.download.com/Riva-FLV-Encoder/3000-2140-10320097.html?part=dl-RivaFLVEn&subj=dl&tag=button
SUPER:
SUPER, Simplified Universal Player Encoder & Renderer. A GUI to ffmpeg, mencoder, mplayer, ffmpeg2theora & the theora/vorbis RealProducer plugIn. If you need a simple, yet very efficient tool to convert (encode) or play any Multimedia file, without reading manuals or spending long hours training, then SUPER © is all you need. Supports most video formats and also portable formats for PSP, iPod, PocketPC and NEC, Nokia, Siemens, SonyEricsson mobiles.
Freeware
26MB
http://www.erightsoft.com/SUPER.html 