controlz i dig some of your pics here!
#1 doesn't speak alot to me, but i can see what you were going for. I think the horizontal lines chop this pic up into sections a bit to much.
# 2 i think this is the best composed and most striking here. Initially my preference would have been to crop the shot off at the end but then it would have affected some of sky. One thing thats helps me is to set up shots on a tripod because it makes me concentrate more whats inside the frame. Also the horizon is ever so barely uneven but that can be easily fixed. Aside from that, this pic has the definitive 'Wow' factor, the sky the colours are wonderful! Looks like the car was dropped from the heavens. Great job on this one mate!
#3 Nice clean shot, would go in closer. Another idea is to get some colour in the reflection. You don't have to necessarily see what that reflection is, but some colour would be nice here.
#4 Would like to see a greater depth of field here.
#5. I know i'll get flack for saying this, but I LOVE this shot!!! I think its my favourite. How many folks will take pics of a benz with bird poop on it? Ahh i love your style mate! If only you didn't have the pole in the back window, but this and number 2 are my favourite shots!. A bit of satuation boost might be helpful on this as well. Do you use a polarising filter?
#6 same comments from #1 apply here.
#7 Cool angle, wish i could read the sign in the front better. Another thing you can do here is have a play with the reflection in the the side of the car. That would be a nice subtle touch here.. perhaps some girl in a bikini

just a thought!
Very cool stuff controlz, good to have ya posting here mate!