Oh, the atmosphere thingy is good. A job well done. Thing with Maxwell is that it's buggy, too buggy for it's price. And bugs don't exactly get squashed swiftly, either.
If I had known this beforehand, I may have gone with Fry. That's not to say Maxwell is bad, though. When it delivers, it delivers quality.
But those bugs ... And the Studio ... I dare anyone to spend a day 'planting' high poly trees (while using cautious settings to not strain the app!) and count the amount of crashes they get. I once had over 60.
Thing is, of course, that the ability to populate a scene with trees and what not is, at least partially, wherein Maxwell's appeal to us 'poly limited' folks lies ...