[Rus_Andrey]

Mysticpuma

Each map has own unique load.ini file. For example:
...
[FIELDS]
LowLand0 = land/autumn/bob_fields_2_autumn_late.tga
LowLand1 = land/autumn/bob_fields_2_autumn_late.tga
LowLand2 = land/autumn/bob_fields_1_autumn_late.tga
LowLand3 = land/autumn/bob_fields_2_autumn_late.tga

Country0 = land/autumn/sk_country_mount_autumn_late.tga
Country1 = land/autumn/sk_country_mount_autumn_late.tga
Country2 = land/autumn/sk_country_mount_autumn_late.tga
Country3 = land/summer/factoryC.tga

City0 = land/autumn/sk_DownCity_autumn_late.tga
City1 = land/autumn/sk_MidCity_autumn_late.tga
City2 = land/summer/CenterCity.tga
City3 =
...

You can combine textures as you want.