I really like this.
I did it with my brother's car and mine. I didn't use the gradient tool on my brother's but I did on mine.
My brother's:
Mine:
Edit:Here they are together.
:AntiAliasingOff: AntiAliasing was turned off I can see.
:oops: I should have remembered that, just move a few feet away from your screen, its smooth then.
I'll redo it.
Edit:
Heres a better one.