Decrepit, mostly round, mossy huts and houses like the ones featured in these pictures are what I need right now.
We can worry about the regional villages later.
The block palette consists of stone brick for foundations and roofs, stone for walls, And cobblestone/cobblestone walls for detailing. I've also been using andesite and cobblestone walls for chipped stone. Also, bits of spruce wood are encouraged.
They're both already there. Had I turned about 20 degrees to the right, you would've seen one.