tbh, i wouldnt at all, i think the outside of your car is clean, and i like it the way it is
car looks great!
Put a huge one one top of your car...one that stretches from nose to bum. So when you take a top-of-your-car pic (or if you ever end up in a police chase) it would look bad-arse!
http://registry.gmenthusiast.com/images/caviefiend/05%20bash%20046.JPG
Or possible if you like the way the toyota cavi is with the transformer decals on the fender near the hood you could do one on each side make it like a money green type color..... just an idea gl
5 seconds to find another street...