Anti-Bullying Website Takes Over, Shuts Down 'Revenge Porn' Website

"I'm not doing anything wrong, in my opinion, but I wouldn't want to be on the site," he said. "I don't know these people. It's kind of anonymous to me. I think the people submitting it are the ones who should feel bad when they're clicking that submit button. So I don't feel bad now."

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He also bragged about the multiple cease-and-desist letters and complaints he got from people's lawyers, and said his typical response was either to send a dirty picture or a simple "LOL." Just as YouTube hosts other people's videos, IsAnyoneUp.com fell into the same category -- the person submitting the picture accepts full responsibility just for uploading it.

"Your only remedy is against the person who took the picture and posted it," said Bruce Johnson, an attorney in Seattle who specializes in First Amendment and media cases. "There's no real remedy against the website that's posting that photo. The best advice is not to disseminate the picture to begin with."

None of the IsAnyoneUp.com victims "Nightline" contacted wanted to speak because they were worried about causing more damage to their reputation.