This group is to upload the simply enormous amount of pictures, videos, news, articles, features and whole worlds that the Minecraft Community has.
Here's a bit of things I've added to the texture pack.
Here you can see "decals"; or at least paintings made to look like them.
On the walls there are crack marks, wood planks, and a fire extinguisher with a sign.
Hm, kinda reminds me of Duke Nukem 3D in a way. Cool stuff.