This The Winchesters foto contains
pezzo, hunk, sei pack, abs, ab crack, ventre piatto, six pack, ab crepa, pancia piatta, costume da bagno, and tronchi di balneazione.
There might also be
skivvies and mutande.
Sam and Dean and their relationship (mostly from Sam's POV) since acquiring the Mark of Cain and the First Blade up to the events in "Girls Girls Girls".