I created this 3d castle with two materials in about 20 min.

Using SU2B3D
cLick for full size: http://imajr.com/castle1_152900
Here is the SketchUp (.skp) file:
http://www.box.net/shared/65jz9479a0

Using SU2B3D
cLick for full size: http://imajr.com/castle1_152900
Here is the SketchUp (.skp) file:
http://www.box.net/shared/65jz9479a0