Ok...im looking into cd players that play dvds also for my friend in Iraq. he already has the monitor, so he doesn't need the ones that come with the indash ones. But my question is, can he jsut have a regular cd/mp3 player with an AUX input to hook up the tv too? will that play dvd's too? Or is he going to have to find something else? WHere would i go to look? I've searched caraudio.com....but i sorta don't really know what im looking for?