When Rocco talks about going to Mexico, he embellishes on details and spreads his right arm. It then cuts to a longer shot and his right hand is resting on his knee.
The trivia game the girls are playing at the end is obviously a modified Sorry! game board with "Chance" and "Community Chest" cards from a Monopoly game.
The year that Rose kept the diary would be clearly visible somewhere either on the cover or in the date section of each entry, so Blanche and Dorothy would have no reason to be angry at Rose.