.Map :: MoHAA Mapping

How do you go about modifying the original maps then? I notice that when I play online that the original maps will have new things added. How is this done?

Thanks for the info, much appreciated.

First let me state that the tutorials here are definitely top-notch. However, I was wondering if there are any sources for tutorials that would take you through a complete project. I guess that I am a little on the slow side. This is the first time that I have every tried mapping and would like to ...