Mods/CustomizeExterior
+ manifest.json
+ CustomizeExterior.dll
+ CustomizeExterior.pdb
+-+ Buildings
  +-+ TextureSetA
  | + Shed.xnb
  | + houses.xnb
  | + ...
  |
  +-+ TextureSetB
  | + Shed.xnb
  | + houses.xnb
  | + ...
  |
  +-+ TextureSetC_SeasonalImmersion
    +-+ spring
    | + Shed.xnb
    | + houses.xnb
    | + ...
    |
    +-+ summer
    | + Shed.xnb
    | + houses.xnb
    | + ...
    |
    +-+ fall
    | + Shed.xnb
    | + houses.xnb
    | + ...
    |
    +-+ winter
    | + Shed.xnb
    | + houses.xnb
    | + ...