After having read 40 or so essays, plus all of the challenge work, you should try your hand at writing one.
Assignment:
Write a 1000 word essay that is publication quality.
Explanation:
You can use almost any topic that you would like, however you need to realize that your signature will go at the bottom of this piece of writing.
Process:
List five possible topics.
Pick One.
List at least ten details that you could use that connect to that one topic. (the more the merrier)
Write the essay.
Review the essay. Eliminate words and phrases that get in your way.