I was going to mention that one but I couldn't find my pics.
There is also a church that had a renovation in South Devon a few years back and they moved one of the stones inside the church and found carving on the inner face.
I never got to see it and don't know what the carvings were.
There is also the church at Lostwhithial that has a carved standing stone at the church entrance.
The Druids Arms at Stanton Drew has a Cove in the garden.
http://www.stonehenge-avebury.net/Photos/gtour/Cove.jpg
PeteG