Try it with picid's '2' and 'blah' just to test it. Feel free to create as many accounts as you want and upload userpics.
I'm sure the wording could be better, so any suggestions would be appreciated. :-)
(Here is the source: http://goathack.livejournal.org:8030/tools/findpic.bml.txt)
Update: I added the LJDEP info. I hope I did it correctly.