Sounds like a pretty cool tank, LoveMyOscar! Have to agree with you, I prefer the "natural look" myself, but every once in a while you run across someone with a very good imagination that can make an un-natural tank look awesome. The only fish that is immediately coming to mind that would look good in such a tank would be a large black ghost knife, or one of the smaller arowanas. Hope you are able to get a pic, that would be an interesting tank to see!