http://en.wikipedia.org/wiki/Rebus
?
and if he likes that - then these might help him learn to draw the pictures.

http://www.edemberley.com/pages/main.aspx?section=db&subSection=dwmPages

or they might be a good stand alone to teach 'right to left' and following a procedure and analyzing part to whole relationships.
g

Coaching available, at SchoolSuccessSolutions.com