Aaa good stuff G, ya beat me to that link. I was just there a short while ago and it's a great resource. That guy's got a LOT of patience for building 3D quality textures.
A brief word about creating the corner effect of the brick wall...
You have to try and maintain the size proportions of the bricks at the corner, from each brick image. And the best way to do that is to simply flip the original wall horizontally, then move the dupe wall over until the edge aligns with the original. Then you can use the "Transform/Perspective" tool on the
outer end of the 2nd wall to make it appear to vanish in the distance. This should leave the bricks that are aligned at the corner unscaled, so they'll remain aligned and sized to match the front wall bricks.
Great lighting job though Rick.