Campaign Wiki

I received a spam from the Wikipedia people informing me of the creation of a Campaign Wiki.

I have used Wikipedia before (as have many, I deduce, since so many google searches have the Wikipedia entry at the top), but have never contributed.

I spent a few minutes looking at the Campaign Wiki, and the learning curve is too steep for me. Anybody care to walk me through the process of creating an entry for my campaign?

http://campaigns.wikia.com/wiki/Campaigns_Wikia