Thanks for all the feeback. The TNO textures have a block set used for corner joiners that is transparent (except for the blocks). I plan on adding texture planes to each corner to apply that texture to give the illusion of joining blocks. I will see what I can do in regards to cracks and moss as well.
As baba noted, with any larger wall or floor, the seamless texture repeats can get overwhelming. I was able to pull the tileset into gmax as a group/set and size/adjust the textures such that they are not so compressed and repeated but without losing resolution. It still has an overwhelming repetition though.
Still a WIP so we'll see what can be done........
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