Created a map? Let's put them all in one thread. I will periodically edit this post to put all the maps right at the top.
Here is my outdoor megamap. You can download the full size one here:
Here is the Zepplin project Beta from our friend vinterdraken.
You can get the big file here.
Here is the Bunker by Bronco-Stoj. This is still a work in progress...