This is a tempting little piece of tech for all of us who are middling at best in our ability to draw hand drawn maps.
Map Hash Pattern for GIMP by Morgajel over at RPGnow as a Pay-What-You-Want title.
while not my cup of tea (I’ve come to enjoy the zen of drawing my little pebbles) I can see the possibilities for use by small one man games like myself or for personal maps for home games. Morgajel has a bunch of resources available at drive through, in the form of brushes or placeable object.