Interesting ...

it is a shame people are being disrespectful everyone has to start somewhere i think its an ok attempt i have seen worse

try to follow this tutorial:http://psd.tutsplus.com/tutorials/photo-effects-tutorials/custom-car-photoshop/

12º

good try, just keep practicing and you will slowley build up on your own style of brushing, and from their you can only really get better and better