That said, your new textures are a huge improvement over the old ones. Just keep in mind all the good points these guys have made - keep it up, you're obviously learning very quickly!
it's a box-map nightmare! At the moment, your main building looks like someone has built it like they build a dry-stone wall : roughly-hewn stone piled on top of each other, and held together through gravity, luck and faith. before you start worrying about lighting, or even the contrast and detail of the textures…