This is the first vertical tag i've done in a long time. I've seen a lot around lately so i thought i'd take a jab at one. here it is : CNC please I took another look and thought it might need some more lighting. here is V2:
The render's too blenden in , and there's too much smudging going on.I think you should try addin some filters & C4.
Hmm i agree that its a bit too blended. The smudging is good, you just need to distinguish the stock image from the background.