I've confused myself for a moment.
You put apostrophes in when you take letters out of the middle of a word.

Photo = Photograph
Photo's = Photographs.
( Master Of Turnips. Only gays and morons believe in ghosts., Mon 6 Jul 2009, 10:03, archived)

shut up shut up shut up

( rosalicious i fucking love youve been framed, Mon 6 Jul 2009, 10:07, archived)