Sugar free Chupa Chups Great ad- completely solved it with a visual and a tagline. It's so simple but really clever. This is the type of thing that I'd like to make. There's a ton of other great ads in this article, definitely worth checking out.
The work of Milanese graphic designer Andrea Minini has a tendency to make the most of the least. His recent Animals in Moiré series has gotten a well deserved amount of internet attention, due to the striking use of Moiré pattern in his illustrations.