This Community wallpaper contains
fedora, chapéu de feltro, homburg, stetson, mole, trilby, and feltro.
There might also be
chapéu de vestido, chapéu alto, cartola, chapéu de seda, stovepipe, de coco, castor, chapéu do vestido, chapéu da ópera, topper, vestido, chapéu, chapéu de ópera, chaminé, barqueiro, livorno, panamá, marinheiro, skimmer, chapéu de palha, boate, leghorn, chapéu, palha, velejador, chapéu panamá, chapéu de campanha, and chapéu da campanha.
Jeff and the bully (Anthony Michael Hall) meet at the bike rack, and it goes from an attempt at peace to a full-blown brawl with the main cast. From the holiday episode, Community 1.12 "Comparativ...
Abed (Danny Pudi) makes an honest attempt at krumping, but Troy (Donald Glover) has to step in to show him what's up. And then comes Jeff. The video's not in HD, but I'll upload an HD version when I get one.