A bit of a late reply, you have probably figured it out by now, but maybe others need the help too.
Everything should be installed into a specific subfolder depending on which version you use.
Example:
Vtmb install/Vampire/ - base game
Vtmb install/Unofficial_patch/ - patched
Vtmb install/"modname"/ - Antitribu, the final nights, clan quest, etc
Open the one you use and put the folders "materials" and "models" from the texture mods directly into it.
Annacalamity
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