This is a very useful set. The wide variety of different wall elements and textures provided makes for a large number of combinations, even without further adaptation.
My slight reservation is based on my not being a fan of walls of zero-thickness thus being too much like theatrical scenery rather than representations of real structures. However in the unlikely instance of anyone else sharing that opinion, with a bit of effort (and possibly balsa-wood) walls of a scale-ish thickness can be achieved without too much difficulty by anyone with a modicum of skill (and enthusiasm, of course). Based on the door height, the basic scale is about 1:56. To be a bit pedantic this makes the bricks huge for that scale, but strange to say, I rather think they look better that way here.
David Graffam’s graffics are as appealing as usual and look particularly well as printed even, or particularly, when on a low-ink setting.
If ruined walls are what you require, you need look no further.