Here's a site (Wordle) that takes whatever text you give it and assembles the words in a typographic composition based on the frequency of the words in the source text. You can adjust the font, orientation, color palette and more. It is pretty fun. Here's a quick sample of one I did.
Advertising Age magazine ranked their top 10 commercials. Check out the Coke, Skittles and Discovery Channel ads. A couple of other ones are a little freaky, but they all stand out in some way.
This is an awesome marketing/advertising idea. They placed an image of the a case of beer on the side of a bag. It looks like the shoppers are carrying a case of beer.
Here is a book on the psycology of why we buy. It could give some insight for a designer as we design a brand and identity to make it the most effect for the client.