Grom thats awesome. You're scripts, interface, models etc. on my map/maps and we would have the perfect wow mod.
@all: Sorry for not answering for days now but I was very busy. To answer the "big cave question":
You can only make the ground of the cave with the editor. The mountain that covers the entrance and the ceiling are custom models which I've made with 3ds max and textured them with the original sc2 textures to perfectly fit.