Yea, that black smoke really doesn't look like smoke at all. Refer to tw_Glory Hill for some awesome smoke ideas. Also, add a bit of variety with the clouds. Make some dark gray, some almost black etc, and then fiddle around with their opacity.
What's with that triangle pointing down outa the sky?
Besides the graphical aspects of this map, the design looks fine. Can't complain there.
The way you map, it looks like you could design a pretty awesome infiltration map if you were up to it
