What is a good resource for leading a study group about theology of the body for high school students?

I have starting reading the book "theology of his/her body" by jason everet and im one chapter in and its really boring, i want something that is really convicting, but still based in catholic roots. something that really touches their hearts, but i also dont want a resource that is too expensive, maybe about $10 a person in the group.

Undeniable evidence that there is a God …….. http://homepage.virgin.net/vernon.jenkins/First_Princs.htm