Yes. Carousel in the main feed would be nice. The stacked images don't do much for most posts. 

Sometime's it's also nice to put images throughout a note that go with the flow of the conversation.

Maybe do carousel for images without any note text between them. 

Primal does carousel, which works best for gallery type posts, but totally messes up posts that need images posted in certain spots within the note. 

 I think if you post multiple images then it automatically sets to carousel. Wherever you decide to place it before or after a text. Easier said than done I'd imagine. 😄