prepositions of position: how to describe pictures

http://esl.about.com/library/grammar/blgr_prep9.htm

Prepositions of Position at the back of
at the bottom of
at the top of
behind
between
in the corner of

on the top left and bottom right corners, respectively
of the top-left and bottom-right corners
in the middle of
next to
to the left of
on the other side of
to the right of
on the side of
on top of
opposite