k, heres the deal, my cars got a cd player, and ive always listend to cds, but now im using my mp3 all the time, and ive sold oll my cds, so the question is, is there a cheap way of hooking the mp3 up the the speakers, i know if you have a tapeplayer you can get a mp3 to tapeplayer thing, but ive got a cd player, any ideas?