Recently I have been trying to create a map for Battlefield. I can add in the terrain and objects fine, but I am confused when it comes to Surface Maps and the Material Map creator. I know that there are three different surface maps available, as default; Default, Snowy, Desert. When I create a map, and add these in and generate the surface maps it creates a very bad texture. Desert is very grassy and snowy is very rocky... Even the default does not have much mud and grass, it has rocks sticking out of it!
So, can someone explain to me how I get a particular material map (Dry Sand for example), to cover the entire map without having the terrible desert surface map.
In addition to this, I would also like to know if someone could aid me in getting my Battlecraft set up to create Desert Combat (0.7), Desert Combat Extended (0.9) and Forgotten Hope.
If anyone can help with either topic, please reply here!

Yours,
Smurf
PS, If you see me online, I go by the names "God of War" and "James118".