Occupy Missoula is in need of money and aid. Taryn Hart at The Plutocracy Files has more, including information on the police harassment they are experiencing. FireDogLake's OccupySupply is donating winter gear to the Occupy movement and is another good way to help. They "ship 100% union made, American manufactured cold weather gear to occupations."
One of the best ways to fight corporations is with the one weapon we have that they fear: spending power. Turning our backs on corporations by using credit unions and buying from non-corporate sources is an important step in undermining their power.