ArielVision Auto Bump
Auto Bump is a checkbox on the ArielVision Material Wizard
Here is an
Auto Bump
example of a wall with SketchUp's stone material, and two spot light shining on the the material:
(Bump maps have their best effect when there is lighting at an angle to the material, because the bump map 3D effect is more pronounced when there is light shining on the material.)
No Auto Bump Map
With Auto Bump Map and 100% color strength