What's all this curvature/shading blasphemy?
ThisIt implements GLSL shaders for rendering, stuff like Depth of Field, Specular/Normal Mapping, Parallax Occlusion etc.
I personally use, as said, Azraeil's DOF shader and the combined World Curvature/Waving Wheat shader.
Also:

(Future site of) Fort Kellen. It's a small cove that I sailed under an archway into, I'm going to build a small town on the hill above it, then the keep at the top of the hill and walls around to the cliffside that the arch is under.
Also is it just me or is that world gen lovey as hell?