I've generated a couple of maps using tools developed by Fridlekh for the Isles of Battle. These are just images that give an idea of the layout, they're not def'd up ready to be used in-game.
http://www.blue-technologies.org/blu...ttleisles1.png
http://www.blue-technologies.org/blu...ttleisles2.png
Feel free to use them in your own map packs, I've added themto the maps I use.