Thanks.
For smaller breasts I know there is a request. However it requires some critical model changes + I'm worrying it might be considered as 'loli' instead of Lolly. So I'm still thinking about that.
As for positions, I have an article about it: https://www.patreon.com/posts/you-didnt-know-117036019
Concerning multiple object insertions, I already thought about it. It's in my backlog as I see no good way to implement it for now.