I've really been getting a kick out of Google's recent recruiting ads, such as their GLAT booklet and their big question billboards. The most recent ad is one that I saw in the latest issue of Physics Today.
It's a big full page ad titled "How to Care for Your Big, Wonderful High-Performance Brain". It looks like one of those full-page ads for weight loss or hair growing products, or maybe an old fashioned PSA ad, or even one of those big anatomical charts you might see in your doctor's office but way more amusing.
There are sections titled "Big Brains Crave Algae and Acid", "Lead is Big-Brain Kryptonite", "Get Your Nap On" to name a few. I think they're actually pretty clever and creative.