All my add-ons on NexusMods should now be packaged in the way I showed above. (at least the ones that required it)
Also I redownloaded the mod and the face is still messed up for the curved gravestone.
On closer inspection, I'm getting it too:
Not sure why it's much worse for you, but I'll see if I can fix it. I haven't messed with blockland bricks in a while, so I can't guarantee that I'll have it done quickly.