When Arno and Teele are sitting in the heap of snow, the wind seems to be very strong. Actually, during the filming, there was no wind at all, so a huge aircraft engine had to be brought to make some wind.
When Toots and Kiir are in the pantry in the Kiirs' home, they are looking at the wine-bottles. Toots claims that one wine's name "Lati Pac" means "Very Sweet" in Latin. Actually, "Lati Pac" is "Capital" spelled backwards.
Filmed in the same place where the book takes place.