What are my options?

I don't know if this is considered "Lethal Genes" but I guess it might be close to it. When Reptile Radio had Marc Bailey as a guest, he said that Champagne X Spider-YB makes some really retarded snakes. (Crawling around on their back and other extremes)

There are plenty of co-dom's and even 2 genes you can pair with your pastel girl, depending on your budget. As for your hypo males since he's a recessive, getting her a morph het hypo bride will definitely save you more time, and better chance to hit some killer babies. But make sure you buy from someone reputable though...