Guerrilla marketing to make people stop smoking. This harsh realization of using a fake pair of lungs as an ash tray shows the build up of cigarettes and shows how maybe even smoking a day can collect up and make a lasting damage on your lungs.
"Ordinary bulbs are killing the environment. Just one simple act on your part can stop the climate crisis. Switch to compact fluorescent lamps." - Greenpeace ad of "hanged" incandescent light bulb. Great message, but better yet, switch to LEDs!