Coop wants your wood. Whatever form, any shape or size (or color!).
He wants it bad, and he's willing to pay. PM Reverend Cooper, he needs firewood.
I'll even sweeten the deal. If you bring some nice hard, dry wood to coops house. You'll find yourself eating a delicious meal and drinking adult beverages until you fall over. I do not promise that you'll remain an anal virgin if Ben is around and finds your body.