Another means of lighting a scene in Blender comes in the form of using ambient occlusion. The menucontrolling ambient occlusion may be found using the the material materials menu under world the menu is shown below.
Ambient occlusion - in blender
Here is just an effects using a red cube that has been animated by using the IPO curve parented to rotation in the z direction. The lighting in the anmimation used ambient occlusion. See the attached file.