... but all I want for now is a bunch of different Gravestones. 3 - 5 different types. They function PRECISELY the same as Runestones. Carved from Rock / Boulders and engraved. It's really just another couple of graphics for Runestones purely for sex appeal; added into the "Make Stuff outta Stone" menu (which currently consists of Runestones and Wells

Code-wise: Copy the code for the Runestone and just make a new graphic.
Design Options:
Leaving aside the possible cool factor of being able to carve a bunch of different statues and other things out of stones to help decorate town a bit (Perhaps a 'statue' sub-option in the Stone menu), all the other threads seemed to be focussed more on the burying side of things.