Quote Originally Posted by jezelf View Post
Ok, I've had a quick go - not really much time, so with further work, I'm sure it could be done. First I had a look at tutorials like http://www.cartographersguild.com/showthread.php?t=2707

Is this what you wanted in GIMP? I should add - the last two images are on the LAYERS tab
Yes that's exactly it, I'll have another try at it, I must be selecting the alpha channel incorrectly.

Thanks for taking the time to look into it, I really appreciate it.