A little something for the garage perhaps...

[SoulKiss]

Autonomous Paintball Sentry Gun (http://www.instructables.com/id/Autonomous-Paintball-Sentry-Gun/)

Take paintballs, remove some paint, add some of that Smar****er stuff.

How cool would that be :)

Thats Smart Water behind those *s :p

Great anti-theft device :)

[AndyBrad]

awsome. where can i buy one?

[andrewsmith]

Now that could be fun

[Sir Trev]

I've got two tubs full of paintballs cluttering up my garage too... Hmmm....