I need one, I was going to do something like this:
http://www.ecochunk.com/1146/2012/07/19/foot-powered-washing-machine-made-from-recycled-materials-costs-just-4/
I cannot wait to do this as I have the blue 55gal barrels already and I am sure I can find a 30 gal for cheap/free!
I saw your 55s, and I had a lot too. Just took me a bit to get that 30, at $10.