Hi and welcome!

I agree with the other comments. I think the cliffs look nice and clean though. I'm not an expert on battlemaps but here's one of mine (I think I got the cliffs quite good). Go to the Dundjinni forums where you'll find thousands of images (items/houses/textures) you can use for your maps.

http://www.cartographersguild.com/fi...lemap-1-a.html