This is the best tutorial on how to make ruin rubble I have seen yet...

http://hirstarts.yuku.com/topic/3260

HA: 250, 320, 220.
Gothic: 40, 42, 44, 45, 52, 60,
Fieldstone: 70, 74, 85,
Floors: 203, 204,

Still To Get : 43, 65, 301, 302, 270, 272, 273