Have you read A Cage of Butterflies? Your honeymoon in Queensland made me think of that bit at the end.

It sounds like the wedding went really well. I love the frocks and suits, the colours and styles are really nice.

if people in other countries do silly things to the newlyweds' car

I was about to link you to the Wikipedia page on charivari, but then I read it. D: Apparently that was not as innocently rowdy and cheerful as I thought.