http://www.tasty-teens.com/forum
They have links off to many of our sites, gotnailed, homegrown, nastydollars, babylonxxx, lots of amateur sites and more!
I've contacted their host and am in the process of getting them shut down, you may want to look into it and see if they have links up for your site and block the user!
The site is listed under Free Net Pass, i've also contacted them about doing something.