Crazy - Post a sample of a piece you've made with those normal tricks, I would love to see what kind of effects you are getting. I really like that Fresnel trick, I will use that on this environment I think, just gotta make sure I can get a nice balance. Currently I'm working on the walkways... thank god I unwrapped a base…
I'd recommend just opening the first link on that first wiki page: https://polycount.com/discussion/177913/improving-readability-in-composition-01 Then start applying those ideas to your own images. You can do this very quickly if you scale the image way down to thumbnail size so it's low resolution and therefore quick to…