I am cracking myself up with this idea. I want to do this so badly.
Each day, I post a trivia question. First person to comment with the correct answer gets a gold star.
Except it's not a gold star. It's a picture or meme on a theme. The person to get the most gets bragging rights.
For example: in honor of
The Question: What is the name for a group of penguins on land?