In my introduction post RobA did his magic with a black and white map I made.
The result can be seen here: http://www.cartographersguild.com//a...9&d=1219673590

I have been trying to get the same effect, but im so new to gimp and its tools/effects that I just dont seem to get close, could anyone help me out on this. (most guides are to basic or dont cover this subject)