Pooh characters can also be found at the Big Hat at MGM studios, usually between 10:30/11:00ish to 2:30ish. There are sometimes two rotations of characters, so if you walk by and don't see them, come back a half hour later and hopefully then they will be out greeting. Sometimes only two of the Pooh characters are out on a given day. We saw Pooh, Eeyore, Tigger, and Piglet over the length of my last trip.
Pooh characters also can be found in England at Epcot. I saw Pooh and Tigger in the back of the Toy Shop on my last trip.