This question is posted on behalf of my hubby, who isn't an AB member (yet):
"I have been reading reviews on Madden 08 and people say you can change the hair of your superstar and get tattoos which changes what people think of you and gets you parts in movies etc I have it for the 360 and can't find this option am I just being blind or is it for a different version of the game?"
At a guess, you probably have to complete so much of the game before these options are available. A lot of games have hidden incentives like this in order to keep you playing.