Thanks for getting back to me so quickly, but that
doesn't seem to be
working for me, am I using it incorrectly?
http://commons.wikimedia.org/w/index.php? \
title=Special%3AFilepath&file=Asperger+kl2.jpg
HTTP/1.x 404 Not Found
That's because it's not on commons. Try
Asking for images at en: will provide results for any image that can be
shown on en: I.e. both enwiki and commons.