[GSlob]

Maybe you could just put his visage on the seat of the pants instead on a T-shirt. Then you'd not need any red diagonal slashes and circles, nor any text, for the picture location would speak most eloquently all by itself.

[FarmerW]

Since I am female and over the age of 40, I find it in my own self interest not to draw undue attention to that portion of my anatomy.
Otherwise, I love the suggestion.
Vanity, thy name is woman.