Some more terrain stuff.

 

One from the tres noir genre.

Specularity gives you a water effect.

I've started pushing the size of my terrain files up to the 1GB (8k-by-8k) single-tile export limit. You don't get a lot from the 2x2 increase in size. Although times four sounds like a big increase, you don't end up with a dramatic increase in surface detailing. Maybe a tiny bit.