There’s a ton of terrain in the Better Lucky than Good VASSAL module for you to build your own maps. If you fancy something pre-built then there are plenty of options…
New Game Maps
These maps can be selected from the ‘Start new game offline’ option in the startup Wizard OR from the ‘File > Start New Game’ menu option.
In the Scenarios folder…
These maps can be loaded from the ‘Load saved game’ option in the startup Wizard OR from the ‘File > Load Game…’ menu option.
Tailleville – Maps 1 – 4