Josh, your tiles are awesome, maybe a bit too wavy when looking at them on the plane. But the diffuse is flawless ajester: Maybe look at this tutorial by Richard Piper it could give you a base to work with…
Hey guys, I am really happy to get the 2nd place in sci-fi category :) https://share.allegorithmic.com/libraries/884 I post a small article on my new website about it: http://cgvinny.com/2015/11/second-place-in-the-sci-fi-category/