The grass looks good, added layers of grass, basically the terrain can have 3 types of instanced things on it: grass (blades looking at camera, on a radius around the camera ), trees (they have special features, like LOD with impostors, physics, etc) objects ( like soda cans, broken branches, detail objects ), so you can have many layers of these objects on the terrain. More info soon. Posted a small work in progress video:
