So, again, if there are views who want to explore this option, please let me know by comment, or email me directly at jcoxwell@lauderdale.k12.ms.us. I could then get back to you with a size/cost quote.
The editor is considering using a variation of the piece called "Nebula View" as cover art for The Epsilon Wish. I'm going to have some enlargements of the cover art printed myself to place at book signings, etc.