Any of the height maps I post here, you guys are welcome to use for your own.
Precipice Point -- Designed as a massive map, pushing the limits at 75,000 x 1,000; never finished it because my computer is a butt.
Darkwood Valley -- designed somewhat as a swamp. Pretty good on a large scale too. Tested at 15,000 x 900
Islands of the Sentinel; Again, pretty decent size test here too, 15,000 x 500
Achron Island -- This one was my first height map, pretty decent variable terrain. IDR the dimensions, sorry!
Eldershade Forest -- You can see this map in action in my sig' at free maps link. It's one of my earlier works, so it's pretty simple.
This is the Island of Kauai -- yes, the real one. I didn't make this map,
http://gallery.jegas.com/?id=150 is where I found it, I simply tested it.
At 75,000 x 1500, it works, and is beautiful, at least empty anyway. At much more reasonable sizes it is too bumpy to be of much good.
Twin Peaks. One of my more popular maps, as far as requests go.
The Pillars. This one I'm still working on as a map, but here is the heightmap regardless.
Massai Plains. This is a map that I had originally intended to be African-based but I couldn't stand the then-available animals, so I used goldChocobo's articulated elk, and it turned into a high-plains map.
Wolf Island. This one is designed for up to 3 packs/prides/whatevers' to share.
(as you can see, i prefer islands, because I don't like a map that cuts off suddenly. lol)