Apple iTunes "song finder" Questions

song with my password again. I have reloaded Itunes 8, unauthorized and reauthorized my computer....nothing allows me to play the music I paid for. I thought Apple was supposed to be easy!!! I have OS

...and formatted it in MS-DOS FAT. The card is recognized in Finder and I can create Folders and drag songs onto it the hard way. Problem is ITunes doesn't recognize it. I can't set up playlists and ...