Sceneries and textures for maps need to be placed into corresponding folders of Soldat. All sceneries go to you ...\Soldat\Scenery-gfx\ folder, all textures go to ...\Soldat\Textures\ folder and texture edges to ...\Soldat\Textures\Edges\ folder.
Compiled maps are located in ...\Soldat\Maps\ folder. Uncompiled - in ...\Soldat\Soldat PolyWorks\Maps\ folder.