You can use Nidesoft mp3 converter.It is a professional tool for MP3 conversion, which could convert video files to MP3 music and many other audio formats.
visit and downlaod here:
first, you can use a good software named the Cucusoft YouTube Mate .
YouTube Mate helps you download, convert, play and manage your favorite YouTube videos... and it's very easy to use.
here is the link:
secondly, you can convert video to iPod .you can using the following two software: Cucusoft DVD to iPod touch Video Converter Suite
then if you want burn it .using the following link:
Just enjoy it.