Motivated by many stunning Caucasus Texture mods, I made this Caucasus Terrain Texture Switcher Mod.
It allows players to keep all his/her favorite texture mods under different seasons, but enable preferred ones on-the-fly without tedious deleting/copying/pasting operations
It's JSGME ready!
thread EN: http://forums.eagle.ru/showthread.php?t=167862
thread CN: http://forums.eagle.ru/showthread.php?p=2798237
update
v1.5: for ob 1.5.5 fix
v1.4: for ob 1.5.4 with caucasus icon captured in Wags video
v1.3: restore land_texture, and building texture options
v1.2: fix missing texture issue (temporarily disabled land_texture, building, and maptexture options)
v1.1: quick fix for missing options folder