*"They are not actually doing anything inappropriate in the picture."*

OK. guess I'm just a dirty old man.

"I found making my own morphs for Judy difficult, the brreasts seem to break from the chest when I use deformers."

Have you used "add Element to Deform"? Probably a silly question for you as long as you have been here.

I think part of the problem is the low poly but it can be done with magnets with some patience. I did this one real quick so it's not perfect but it does show it can be done. Did one side only to show effect.