Check this page for tons of sample sites.
http://www.breakz.be/portal/modules.php?op=modload&name=phpBB2&file=viewtopic&t=5580&sid=fe152e2ea5f063286b77fe8b820438a5
http://www.breakz.be/portal/modules.php?op=modload&name=phpBB2&file=viewtopic&t=5580&sid=fe152e2ea5f063286b77fe8b820438a5