WOW! Thats mest up. You should def get either recognition or some kind of settlement. Call a lawyer first, see what your options are, and then see if they are willing to settle, which I am sure they will be, for oh 4-5 sets of wheels and tires. lol.
Who took that pictures? Unless you sign something which release your right fo them to use it. You know it is very likely you can make lots of money off this pictures, right? I am a photographer, so I kind know the ideas..! Trust me, if I were you, I would not to let go. Depending on how much money they make off the ad, and how many magazines or posters have been printed. You might have enough money to buy yourself another STi or 2 =P