The rules are simple: Post an image that is superior to the image posted by the person above you.
Things to avoid:
Big explosions, nukes, destruction of Earth (Not fun)
Chuck Norris (Beats everything)
High resolution images (Best place to get low resolution images is Google's Image Cache)
Broken images (Make sure you use images that will be available for years)
Things to favor:
Jokes
Logic
References to games (For example paper beats rock because of the Rock Paper Scissors game)
References to popular media
Please always write an explanation/story!
I will post the first images: