This picture must:
1. Never have your face featured
2. Leave your friends so confused, that they think of a) Killing themselves; or b) Quiting Facebook
If you notice a sudden loss of friends, and/or an increase in suicide parties in your area, your mission is accomplished.
Greg: "Please don't, John, I've lost half of my family due to these befuddlements!"
John: *ATTENTION: CHANGE YOUR PROFILE PICTURE TO A CARTOON CHARACTER.... and, uh... Stop child abuse... and yeah.*