If you want to have an all grass or dirt map, you can just select one terrain and keep it for the whole map. But, that being boring, you can use one of the World Builder tools to help get more exciting and dynamic terrain.
Now, you'll notice other slider that I haven't talked about yet is You can also randomize terrain on mountains. All you have to do is set the bottom slider and the top slider, and repeat the instructions. I hope this guide helps [This message has been edited by FD2 (edited 04-17-2006 @ 06:28 PM).]
Choose one set of terrain you want as your base. To browse the terrains under the menu, go to Texture Sizing -> Map Cliff Textures
Apply To Tiles...
Apply
Between These Slopes
OK
Once you're done with that, load up the terrain selector again, and click a terrain similar to the one you've picked. Most of the terrains are in sets, i.e the DrtHarad
SnowEttenmoors
Apply To Tiles...
Randomly, at this approxtimate saturation
OK
Between these heights
OK