Some stackexchange sites (such as science fiction) have had weekly question contests to generate interesting content.
I think this would be a good idea, because of our question/answer ratio.
What do I mean? There are few questions on here, but the average question generates a lot of good answers. My interpretation: Many users are looking for ways to contribute but find difficulty in thinking of questions to ask. Also, once a question is proposed, they find it easy to think of answers from their own experience.
My proposal: A weekly question contest with a chosen theme. Every week we choose a topic. Anyone who wants to participate may write a question on that topic. At the end of the week, the highest-voted question wins.
Now, the rules may seem dumb, so just like in the American children's game Four-Square, the winner's award would be the ability to change the rules of the next contest,and to pick the next topic.
Please let me know your thoughts below. If you want to try this out, consider suggesting a topic for this week's contest.