The following is a step by step guide on how to download YouTube as well as convert YouTube files to iTunes supported format so as to successfully transfer YouTube to iTunes/iPad/iPod/iPhone at http://www.bigasoft.com/articles/how-to-download-convert-transfer-youtube-to-itunes.html
This guide applies to:
Download and convert YouTube movies to iTunes video format to add YouTube movies to iTunes
Download and convert YouTube songs to iTunes audio format to import YouTube songs to iTunes
Download and convert YouTube video to iTunes audio format to only transfer YouTube audio to iTunes
Download, convert and add video or audio from Facebook, Google Videos, Metacafe, eHow, Vimeo, MTV, BBC, Dailymotion, etc to iTunes
Convert already downloaded or existing YouTube to iTunes supported video or audio format to import to iTunes
Convert various video formats like AVI, MKV, WMV, MP4, 3GP, MPG, WTV, FLV, F4V, SWF, MTS, AVCHD, MXF and etc to iTunes video or audio format so as to add to iTunes
Convert various audio formats including FLAC, OGG, APE, SHN, CAF, QCP, WMA, MP2, WAV, CUE, PCM and more to iTunes audio format in order to transfer to iTunes

