Any chance of getting a map changes only version? Just the new main map and town/castle/village names?
I won't release a lighter version, but you can do that by yourself. First backup the module!
1. Using the map without any modifications at the troops is simple. Just copy the native troops (troops.txt) to the Neo Native folder. This will work.
2. Changing the factions without changing the storyline makes no sense... But you can change the language files (at the language folder - *.csv) by searching the text for the factions and replacing them with a text editor. Then copy the original factions.txt from the Native module to Neo Native. Also copy the /languages/en/troops.csv from Native to Neo Native!
3. Using the map without Polished Landscapes is also possible, just take the original module.ini from Native and copy it to Neo Native. I haven't changed the map size. Delete all textures at the textures folder instead of particles.dds and mountain.dds, map_steppe.dss, plain.dds - without the map will look as ugly as in Native! Then put back a original copy of ground_specs.rar at the (!) game (!) data folder.
4. Using the game without the Smoke and Sound is also possible, just exchange the particles_systems.txt with the native one. Remove particles.dds at the textures folder. Removing sound fx by deleting any file at the sounds folder.
Start a new game, after changing things!