I like using manual exposure techniques. Of course much can be done with photoshop, but the effects are often more natural and less time consuming when created during the exposure. I did not come up with these myself, I just try to recreate what I have seen elsewhere in another setting and add a tiny bit of my own ideas. Panning, zooming or moving camera vertically can create interesting effects with some luck. I had some luck indeed here (and trashed 6 other images that were rubbish, to be honest). What I like here is the salt-n-pepper colours of the trees and the soft green on the ground and also on the top of the image. I should experiment more in this way, but often I just forget.