to clarify, it is MIL's house that my DH thinks will close its doors on me.
I agree that DH and I need to be on one page on this. He has suggested to talk to his sister the next time we see her, as he thinks a mail will not go over well. Personally I am still worried about what this means in regards of them trampling all over our rules. And yes, it was made clear that it wasn't just waiting until we posted pictures, but also after.
Sam, thanks for reminding me that facebook will indeed remove such pictures, I will keep it in mind.
Nemesis, while taken pictures do indeed belong to the photographer, the persons in it retain the right to deny the photographer use of those pictures, it's part of the privacy law. So neither party can use it without the others consent.
And I don't mind there being pictures, just not on the internet.