Hi everyone, i'd like to create a fantasy map for my pathfinder group.
I'd like to use this style:
http://www.unreal-fantasy.pl/gfx/wfr...online-map.jpg

Can someone tell me how can i start?

I'm a linux user so i can use Gimp and Inkscape.

PS: if possible i'd like to use only vector images to place on my map...

Thank you!