Quote: "I wonder if I would get propane tea if I turned the valve "
Simple Answer: No you wouldn't
Complicated Answer: You so totally uber would!
It looks good, but I think perhaps this is an opportunity for working on photo realistic lighting techniques...Perhaps tried the 8 point lighting method (as opposed to 3 point light) and adjust the light and material settings until you get something realistic - use an image as a reference.
Then perhaps texture it, dirt included.
I love Nancy DrewG, but not insert brain here
