well...the First thing that I would suggest if you are completely new to mapping is that you take a look at the sticky thread at the top of this forum. Like it says it is a quick start guide that will bring you though the basic steps. After that it is all up to you so have fun. Once you have started a map post what you have in the WIP forums for help, friendly/constructive critique and suggestions on how to progress. One thing to remember is that it is your map so do with it what you will, but there are a lot of talented people here who are most willing to help.