Before

After

I've already printed and laminated the "before" picture for Dragonmeet, which is a little annoying, but which would be better for the actual game, bearing in mind it may be reduced to a fraction of a page?
Later - forgot to say that the program that had the mosaic tool was Microsoft PictureIt! Photo 7, which used to be part of the Microsoft Works bundle, I think. It has some nice easy-to-use effects I occasionally find very useful, and Works often turns up bundled with computers or very cheaply elsewhere.