I think a spoof of this ad would be great, but I don't have the proper software or skills to turn it into a PWR banner.

http://farm4.static.flickr.com/3238/271287..._8a716163a2.jpg

Wording could be changed to something like
"Plentyoffish.com deletes members unfit to date. Ever wonder where they go? Come to Proxy Whore Refuge. Everyone else does."
insert Stevie pic of choice (unless that's just too mean)