you asked? wow
it's really easy to do, took me like an hour cause i got a phone call while i was doing them
this is the site that told me how to do it:
there are some other great things on that site, here is the main site for that:
if you haven't debadged your car yet, do that too, it's so easy to do, and don't tell your dad, lol. he wont notice if you don't tell him
there are instructions on how to do that too on that site under appearance.