That looks like a really fun day. The nearest store to me that I help out with donations is Goodwill. They are mostly clothing, books, and old furniture, but occasionally they'll have a gem. I like to browse for old 78rpm records there and a couple years ago I found these two really creepy clown paintings that I brought home and turned into arduino powered Halloween paintings - the eyes on one of them glow now, and the eyes on the second will shift back and forth when it "sees" movement.
RE: Donating and Charity shopping for Market Friday