[amonrabr]

For Flat Gmaps?
Open a Txt file..
put in the first line:
GRMAP001

Select the Size of Levels your map has

WIDTH <number>
HEIGHT <number>


Add the line
LEVELNAMES

In the next lines you have to put level by level name.. like:
"level1.nw","level2.nw","level3.nw","..",".."" ....

Add the line
LEVELNAMESEND

Now just select the Gmap images:

MAPIMG name.png
MINIMAPIMG name.png


You can add some options like

NOAUTOMAPPING


Save as *.gmap