Did you base these maps on something else, Rascal ?
Dune Wars is indeed a very good mod. I haven't played it in a while but as soon as I get Civ-4 installed again, so does DW. King_Arthur was, and still is I think, interested in making a Dune mod. He had some great ideas for it. A Sandworm has been recently released by Tom and I released some Westwood's Dune 2 building a while ago. There is definitely an interest.