I know it's not what you were asking for but if I were going to fit someone else's genitals to Dusk I would pose/morph it how I wanted it in the scene and then convert it to a smart prop. You would have to do it anew each time you want to change them because it wouldn't retain the morphs but it wouldn't be that much more work than morphing the conformed figure, just one extra step. You could transfer the morphs using TDMT or something like it but that would take _a lot _of work. Alternately, you could just position it without conforming it. I don't know much about female genitalia in Poser, I thought it was mostly morphs, or built into the geometry. Did you have a specific prop or figure in mind?