Sorry for being a week late here. This week's theme is Terror from the Deep. Give me your best sea monsters, massive whirlpools, or what have you! Free idea since the Mac editor won't open: a floating Protoss base being attacked by a leviathan out of the ocean.
Pretty cool! For a very simplist terrain, it works great, you get the underwater feeling to it. I'll suggest few things, they might not fit all, but it could improve the terrain.
You could add more animals:
You could add more crater or terrain effects, environment:
You could add more grass/plants:
You could add more rocks and sea shells:
You could even create some rift with tilted ramps:
I remember also an underwater effect that is applied on the ground that does some weird light effect like in a pool... I think it's done with the water or something... it's not a doodad. I can't remember, but that would greatly benefit the terrain. Like this terrain back from an old wte