Display one photo.
@author Jeff Davis davis@xarg.net
@cvs-id $Id: one-photo.adp,v 1.2 2008/03/12 21:19:02 emmar Exp $
@param photo array of values as returned from photo_album::photo::get
@param style string (either "feed" or "display" -- default is display)
@param base_url url to the package (ok for this to be empty if in the package, trailing / expected)
@photo.title@
@photo.description@
@photo.caption@
@photo.story@
by @photo.username@
@photo.description@
@photo.story@
by @photo.username@