Rich saturated colors, foods and textures that tantalize our other senses. Simple, effective advertising.
Notice the background color chosen to compliment or contrast with the foreground object. I also noticed some obvious photoshopping to make the colors match their swatches better, but I’m sure most people wouldn’t notice.   
Behr paints can be found at The [...]

An emotionally driven and ironically humorous billboard from the Lung Association. Not only attention grabbing but delivers it’s message quickly and effectively.
Great Design.
Learned lessons: humor, emotion, simple and to the point, potentially hurtful to smokers ego…  but that’s kinda the point.