Very easy for u with E.M. Youtube video download tool.
It really works very well and easy to use.
(1)Just download youtube video;
(2)COnvert the video to cd audio (.wav) or VCD/SVCD/ DVD video (mpg);
(3)Burn the audio or video to CD/DVD disc;
http://www.google.com/search?hl=en&newwindow=1&q=E.M.+Youtube+video&btnG=Search
It can Convert flv video to any audio include mp3, wma,wav,ac3,mmf,amr,ogg,aac..., to any video formats include 3gp,avi,wmv, mpg,mpg4,asf,swf,h264,mov,jpg, that can be supported by PSP,iPod,iPhone,Apple TV video,iTune,mp3,mp4,Zune,Cellphone,Digital camera,DV,CD/DVD/VCD/SVCD.