Screen tops enclosures can be difficult to hold heat and humidity. I would look at something like this...
http://www.showcasecages.com/
there are a lot on the market... all have pros and cons. The key is to make a display that looks good and is a safe good environment for your snake. In the case of royals they don't come out of hiding during the day and only some nights so it should look good and be interesting with out the snake. I change decor periodically it is always fun to add one new thing and subtract something and see the snake explore the new addition.
Hosted on Fotki
Hosted on Fotki
Hosted on Fotki