Email scraping footprints

Hey
I am using Gsa Email Spider to scrape Emails with following Footprints

"Keyword" "Powered by phpBB" email inurl:memberlist.php

and for Parse for items if url has I use

memberlist.php

Any suggestions on other footprints to scrape memberlists


Thx
Bachel

Check other forum scripts and modifications. Look how their urls look like and make your own footprints.