This is what I would do:
Pay the minimum on the 0% card to have it gone before it starts charging interest
Pay the minimum on the 3.75% loan until the other debt is gone
Put the rest of the money towards the 4.30% loan. (It is what is costing you the most money per dollar at the moment.)
Also, I would sell any useless things you happened to have on ebay,amazon, and craigslist, putting the proceeds directely into the loans. (Be careful about shipping costs!)
EDIT: I agree with Sherr below- do not put ALL money towards debt, as starting to invest can provide great returns on investment over time. I would still be aggressively paying down loans though. But keep some money aside, and invest as you see fit! You aren't in a terrible situation at all.