This pack includes new textures for the default version of the SU-76 and the various mod tags, ie [snow], [whitewash snow], [germany] and [berlin]. Each set comes with a fair amount of variant textures to avoid clone army syndrome.
https://www.mediafire.com/file/d45395z84gkzgku/ZZZ_S-tank%27s_SU-76M.rar/file