If you enjoy people dressed in silly costumes (or is that silly people dressed in costume?), you might want to check out the delightful photo galleries at Linus Lam Network News. I don't know exactly what LLNN is all about; I found it through a link at a comic book industry news website. But the shots taken (beginning at http://www.usagichan.com/SDCC2003/cosplay001.htm with additional "cosplay" pages at the bottom) from Comic Con International 2003 seem to be pretty clean and generally PG rated.
The intro page is at http://www.usagichan.com/SDCC2003/index.html
The intro page is at http://www.usagichan.com/SDCC2003/index.html