Looking at it from a photographers view, I would suggest this: The car/dog/tree/cows ... need to be disengaged, especially the tree looks a bit weird in relation to the car. Same goes for the Route 66 sign, it is to close to the car. You could resolve this in changing your camera angle or moving some of those objects or even removing some of them. The easiest way to resolve it would be to put the tree/cows a bit more to the right and backgrond, just where that rectangular object is on the grass or maybe even a bit to the back of it and then possibly move that dog a bit so there is no collusion between the tree/cow and dog. The dirt road, the rear wheels have already been addressed, but I think i found another minor problem with the arm of the driver which could use a slight more angulation towards the car at hand level. It seems to stick out a bit unaturally now. I would remove the lightning or postwork it more. Shots of lightnings look wayyyyy different ;-) Finally, most important, the light: Storm skies - unless you are standing in the middle of it - almost always show some distinct graduation from clearer/fairer parts to darker parts close to the storm front itself. I would try that out, if you can, it usually adds quite some "drama" to the scene. Apart of this, I like your idea a lot, nice render too :-) Cheers, Valerie