http://www.flickr.com/photos/neu318/4852818545/sizes/l/in/photostream/
sorry but i saw this picture and i thought it may help maybe not on the right angle but would be cool and amazing to see you do this in your w.i.p.

Personally I using Photoshop CS3.. for how to do like that, maybe you can ask to the admin (because I know but dunno how to explain how to.. )

sorry if my english bad..

your english is better than mine and i am english haha well you doing a good job, maybe do them bouncey cars like the link i sent you