Thank for the quick responses! Jackie, I've seen the first one you mentioned and it's not bad, but again very clean with smallish stones. The crumbling wall one looks interesting, but it's tough to see the detail on. I'm not yet sure about that one.
What I was really interested in was something like this from ChrisW's website:
This would be perfect! I suppose that this could be home made, but there
has to be
something like this out there somewhere, wouldn't you think?
Here's ChrisW's website from a thread he posted recently if you want to see more pics...
chriswhiteart.com (Chris, hope you don't mind that I posted this.) I'm going to VM him regarding this to see if he can remember where he got that.