The Tumblr Thin model has become an overnight sensation with young women all over the world, thanks to a promotional campaign by Victoria’s Secret. This year, thousands of women are signing up for their free account on the popular social networking site and sharing photos of themselves, along with a link to a paid membership that offers even more sexy photos and a huge selection of hot sex tips. Tumblr boasts over 40 million people who log in everyday to share photos and communicate with others on the site. Their obsession with celebrities makes them perfect sources for sharing sexy images from the bedroom and out. But it doesn’t end there, if you’re into some sweet and sexy pictures of thin women, Tumblr is a great place to go to get your hands on some of the most beautiful and provocative women around.