For Deep Creek I only set shrubs and no trees.
I am working with photodetection of the trees and trying for various types of landscapes for devlopement. Certain areas, such as the mountains and valleys, work very well. Where photodetection has its limitations is in distinguishing a forest from lakes and rivers with dark green water (the same goes for the dark green circular fields). Masking the waters on a photo basis is much more efficient than cleaning them up afterwards.
McCall is very difficult in on this point of view and required a lot of effort. But it looks pretty good now:
The pictures look great. I'll test the trees here soon. Thanks!