hi, i am having difficulties putting MP4 files onto my itunes, i really dunno why it doesn't work. It worked for me before! i got so pissed off i reformatted my Mac, and now its the same again ! i used iSquint to convert it into a MP4 format and when i drag and drop it into the iTunes it still doesn't work !!! therefore i cannot put the video into my iPod, this is driving me nuts. can someone out there please help me !!!!