Rumbler Release Candidate 2 r2 released by RTM.

This is an application that makes the Wiimotes rumble. When you press +, the Wiimotes rumble, and when you press -, the Wiimotes stop rumbling. On the first Wiimote, press B to make all the remotes rumble, and A to stop all the rumbling.

http://wiibrew.org/wiki/Rumbler