I am attempting to give my island more of a "3D" effect, as you cannot see depth in the grass hills.

My solution was to place the lights in the scene. I have placed a spot light above the island, however, the rock underneath is now black/really dark. I would like the rock underneath to be unaffected and stay lit. Here is what I have so far:

Even when placing an ambient light in the scene editor, it does not help at all with the rock (but slightly brightens the grass by a tiny amount).
The lighting model I am using is Blinn.
How can I keep my rock like it's original lighting?
