Right Click, Save Target As to d/load
Then open the file in notepad, don't change any of the text. Go to File->Save As. Then change the dropdown menu that says Text Documents (*.txt) to All Files. Then save the file as this exacly: mohdm6.scr
into this file:
C:/Program Files/EA Games/MOHAA/Main/Maps/DM
Then all you have to do is start a LAN game on Stalingrad (mohdm6)