Alright because tiles don't use RSIs (yet) I gotta write this out.

steel.png taken from CEV-Eris commit 28e589f0ff72a009adf17db767e90be39054f0f2

bar.png, laundry.png, mime.png, clown.png and kitchen.png are under CC-BY-SA-3.0
snow.png taken from TG at commit 67a5373b4649937dd63dd94153e05e8506f40a5d
grass.png taken from TG at commit 73a638214c94da9b8c485f1c75f615cb79770883
