Using Terragen to make Battlemaps

[Hussar]

Ok, I freely admit that my artistic talents are mostly nonexistent. However, I was messing about with Terragen (a free open source terrain generator) and thought that it might work to create decent battlemaps, particularly for games like mine that are run online.

Here's an example of a beach battlemap:

I'm wondering if anyone else has tried this and if they have any tips to share.

/edit - note, I didn't grid this map because using OpenRPG, it grids for me.