"Masturbation can be a form of homosexuality because it is a sexual act that does not involve a woman. If a man were to masturbate while engaged in other forms of sexual intimacy with his wife then he would not be doing so in a homosexual way. However, any man who does so without his wife in the room is bordering on homosexuality activity, particularly if he’s watching himself in a mirror and being turned on by his own male body." - From the tract
"Porn Again Christian" by Mars Hill Church pastor Marc Driscoll.
Better yet, here's the cover image, which leads one to the conclusion that masturbation is both gay AND suicidal: