Well butterflies are faster than the average wind-up toy.
In answer to the steam-roller enquiry? Time and parctice. Note how I started WOTA with a metal box with a door on the front.
Oh, and if you're using the 'Vista' version of paint, you also need an infinite supply of patience not to throw it out of the window every time it glitches up and destroys the last 10 minutes' work.
Aaaaanyway, here's one I made earlier.
