Warning--some images are offensive, either for their violent or sexual aspect of objectifying women--you should preview the site to see if it's appropriate for your school/community. The kids will likely be fine and some will be outraged. It's the adults that may find something objectionable.
The "facts page" links to many issues including body image, media, eating disorders and disordered eating, cosmetic surgery and obesity.
Whether you draw from the site some particular references or have your students explore, it will make for some spirited discussion related to body image, women in the media, and more. Additionally, the blog makes for some very interesting reading. Go for it.