How many hippies does it take to change a light bulb? Hippies don't use light bulbs. They use candles.
Alternate version of that joke: How many hippies does it take to screw in a light bulb? None hippies screw in sleeping bags not light bulbs. C/S, Rev J
When in trouble, when in doubt, Run in circles, scream and shout! If that doesn't work keep trying to figure it out, Just laugh at the punch lines, and the truth will come out.