Dungeon Dressing and the Undercity

I have decided that I need to be able to quickly generate some color and style for the Undercity. Here are my early tables for doing just that:

Walls (d6)
1 Featureless, polished and very hard black stone.
2 Rough stones cobbled and mortared together
3 Inscribed in an ancient tongue.
4. Inscribed in an ancient tongue, now worn and unreadable.
5. Complex reliefs tell a biographical/historical/mythical story.
6. Complex reliefs that show horrible, inhuman and disturbing scenes.

Minor details (d12)
1. Floor covered with shallow pools of stagnant water.
2. Stench of decay.
3. Chill spots in room with no visible reason.
4. Warm spots in room with no visible reason.
5. Scraping sound intermittently from deep below.
6. Unusual, lingering smell.
7. Small bones scattered on the floor.
8. Human bones scattered on the floor.
9. Broken stone debrish scattered on the floor.
10. Water drips from the ceiling.
11. Weird noise.
12. Mild (1-4) or strong (5-6) breeze.

Smells (d6)
1. Metallic
2. Spice
3. Ozone
4. Smoke
5. Sulfur
6. Urine or Feces

Sounds (d6)
1. Laughting or sobbing
2. Moaning or whining
3. Metallic clanking
4. Footsteps/scuttling
5. Tapping/rapping/thumping
6. Murmuring/whispering


Major details (d20)
1. Altar/Shrine
2. Broken furniture
3. Laboratory
4. Barracks/Living Quarter
5. Abandoned/Empty
6. Filled with junk
7. Storage/Cache
8. Lair
9. Filled with cobwebs
10. Torture chamber
11. Library
12. Kitchen
13. Apothecary
14. Tapestries
15 - 20. Empty