Mod archive comes with...
mod.esp
meshes\~all subfolders and files required~
textures\
....architecture\
........daedricstatues\~files~
........godstatues\~files~
You could split them into
00 Core files\
....mod.esp
....Meshes\~all subfolders and files required~
10 Textures daedricstatues\
....architecture\
........daedricstatues\~files~
20 Textures Godstatues\
....architecture\
........godstatues\~files~
Now when this lot is packed as an installer, you will see Wrye bash has split the numbered folders into sub-packages
So you can select to install only the godstatues, or daedricstatues, or both sub-packages you want in the game as opposed to the original folder structure making you install all textures.
You can provide choices for selection too so that its an either/or....
20 Textures Godstatues 1024resolution\
....architecture\
........godstatues\~files~
20 Textures Godstatues 2048resolution\
....architecture\
........godstatues\~files~
Download some of the bain ready simple and complex archives pointed out on Tomlongs site or Psymons collection of Bain advice, extract them and study how they are put together is the best thing to do.