Okay, firstly let me acknowledge that the girls in this clip are old enough to take provocative pictures of themselves if they want too. I'm just posting it so you'll realise just what happens to all those pictures you post on sites like Bebo and Myspace. Some guy downloads them all and makes himself a pervy little clip.
[Disclaimer: the girls in this particular clip are quite Hot]
Or worse, your MySpace pics get downloaded and used to advertise a porn site: