Facebook and myspace picture being stolen, then put on a porn website, it is not even a sexually influenced picture, how do i get it removed?

Okay well basically i had the bad news of someone messaging me on my facebook account, whom is one of my male friends;
“did you know you are on an adult website?” and posted me the link. I am on a pornographic website that is dedicated to “amature emo sluts” To make it clear, this is only a picture of my face, and is not seductive in the slightest, but i guess one can consider i look “emo”. I am on the homepage of this website amogsnt other innocent looking “emo” portraits, but then there are some pictures of girls in thier underwear, which is ridiculous, some could say its self inflicted because i personally would never take a picture of myself in my underwear and put it on the internet. You then click further into the website, and you have to pay to be a member so one can view the actual “porn” I am devistated and have no idea what to do or how to remove it because there is no contact email to this website. A friend said that people who put up sites this, probably trail through myspace/facebook and copy pictures that are “appropriate” for this website. I cannot understand why i would be because it isjust a simple portrait, just of my face. Does anyone know who i can contact or anything i can do so i can get this picture removed? I do not want to be on somthing that portrays me as a slut. Especially when i have uploaded pictures to myspace and facebook keeping them private, i know the internet can be dangerous and anyone can view these pictures, but surely stealing a picture that is owned by facebook or myspace when i uploaded it. then stolen to be put onto a porn site, is illegal? especially as it wasn’t self inflicted in the slightest, just because i looked slightly “emo”? (just lots of eyeliner) It would be much appreciated if someone could help me! sorry this is so long.