Drop up to 10 different textures into an object and this script. It will change to the next texture automatically.

This is a real simple, yet cool script. I've listed two versions below. The first will change colors in a single prim and the other is for multiple prims that are linked together.

Drop an animation and this script into an object to create a "poseball."

If for whatever reason you need to retrieve an avatar's UUID Key, just drop this script into any object and "touch."