Apart from being a criticism of misogyny, this is a pretty useful reference: http://geekxgirls.com/article.php?ID=7004
Particulary point three has a tendency to cause trouble with MH toons. I've struggled with getting realistic deformations automatically for those positions (it'd probably involve some sort of soft body simulation).
Maybe a "female-breasts-for-when-lying-on-back" target might be a viable avenue too.