WordNet (r) 3.0 (2006):

beefcake
    n 1: a photograph of a muscular man in minimal attire

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "beefcake":
   Telephoto, Wirephoto, aerial photograph,
   black-and-white photograph, candid photograph, cheesecake,
   chronophotograph, color photograph, color print, diapositive,
   heliochrome, heliograph, montage, mug, mug shot, photo,
   photobiography, photochronograph, photograph, photomap,
   photomicrograph, photomontage, photomural, picture, pinup,
   portrait, shot, slide, snap, snapshot, still, still photograph,
   telephotograph, transparency