download YouTube to FLV

• copy the URL of the video you want to save
  
  
• paste the URL into an appropriate website, click on the download, and save it as a *.flv file on your local computer.
  • keepvid.com
  • javimoya.com — Youtube, Google Video, iFilm, Metacafe, Dailymotion, Myspace, Angry Alien, AnimeEpisodes.Net, Badjojo, Blastro, Blennus, Blip.tv, Bofunk, Bolt, Break.com, Castpost, CollegeHumor, Current TV, Dachix, Danerd, DailySixer.com, DevilDucky, Double Agent, eVideoShare, EVTV1, FindVideos, Free Video Blog, Grinvi, Grouper, Hiphopdeal, Kontraband, Lulu TV, Midis.biz, Music.com, MusicVideoCodes.info, MySpace Video Code, Newgrounds, NothingToxic, PcPlanets, Pixparty, PlsThx, Putfile, Revver, Sharkle, SmitHappens, StreetFire, That Video Site, TotallyCrap, VideoCodes4U, VideoCodesWorld, VideoCodeZone, vidiLife, Vimeo, vSocial, Yikers, ZippyVideos
  • viloader.net — YouTube, Pornotube, Google Video, Ifilm, Grinvi, AngryAlien, Badjojo, Dailymotion, Dalealplay, Efukt, Enchufados.net, Filecabinet, Metacafe, MySpace, Putfile, TotallyCrap, Vidilife, Vmix, Xtube, Youporn, Yourfilehost, Yourfileupload, Yuvutu
  • videodl.org — YouTube, Google Video, and Break.com
  
  
• download one of the following, to be able to play .flv videos on your local computer
  • GOM Player (I recommend this one)
  • FLV Player for Windows 2000/XP (by Martijn de Visser)
  • VLC media player for many many operating systems
  • others

from YouTube to MP3 directly (one step)

• ListenToYoutube.com
• VidToMP3.com
• FLVto.com
• more (see his "main video" that's a tutorial on how to download all of his sound effects)

from FLV to MP3 (two steps)

• FLV Extract
• Freez Flv to Mp3 Converter