Those look pretty cool. I like the old Egyptian theme with ancient ruins and artifacts. It kind of reminds me of the games Riven and Myst. I love the stuff those guys created for those games.
As far as your texture thing, the only thing I know to do is pull up your texture editor and look to see if there's any vertices or surfaces out of place.
Here's the download link on the Pov-Ray site
http://www.povray.org/download/