To some degree jim beat me to it.
Does she still do calenders? That's the next Christmas present for your concerned relo.
Enjoy your newborn. Enjoy your photography. Ignore someone's concerns. Personally I wouldn't even discuss it with them. "fair enough" would be be my reply to anything they said on the topic. Then I'd go ahead and do whatever you want to do.
Jeez, why can't we choose our relatives? I wish.