Hi all,
Pls find below my humble attempt at matte painting:

Full res pic here: http://img152.imageshack.us/img152/9224/finalconcept.jpg so that you can see the details.
Does the buildings look out of place against the sky (sky is one photo, all buildings from one photo)?
Been cracking my brains to try to blend them in but in vain. I’m trying not to use the airbrush or other smudging tools otherwise the whole thing will look blur and muddy.
Any pointers or feedback would be appreciated!
Tks! 