Multiple grass types can be achieved right now.
Make a texture with the types of grass you want on it.
Open a copy of a grass folder and edit the meshes and map them to the different grass textures.
Export them as a x file.
Open Game Guru and make a terrain and paint grass on the terrain.. Run test game and assign your new grass texture.
You will see it appear as as many grass types as you added to the texture and the mesh.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.
