Added in new wall tiles, a couple issues, one programatic and two asset-based, but low priority. I changed wall2 and wall3 to be consistent with wall1 with regard to its alpha background.
Added in new wall tiles, a couple issues, one programatic and two asset-based, but low priority. I changed wall2 and wall3 to be consistent with wall1 with regard to its alpha background.

oakmound/oak,oakmound/oak,oakmound/oak