You are guilty of showing sexually explicit photos without custodian of records information, as is requires by USC Title 18 Section 2257.
Let's take a look at this page:
http://www.sexeducation.com/sex/html...73912115754883
Where is the credit, review, or discussion of the original work that would make the photograph legal under "fair use"?
Where is the declaration that all models on your site are over the age of 18, and the address where law enforcement officials could go to view your copies of those models' IDs and signed model releases?