PLUS, this is GLASSBLOCK, there is nothing "leaded" about it. Go to home depot and you can buy all you want for a few bucks each.

Is the shadow that runs across the windwed wall from you phot technique? It's kind of eerie, because it seems to run in front of the light coming through the window too.... No, I am not "looking" for things in the clouds, it was just the first thing I noticed...