When Chesney meets Kelly in the café, Kelly drinks Coke from a can. When Chesney spills the drinks, Kelly's Coke is in a glass and the can has disappeared.
When Cindy is talking to Alan at the basketball court, she is wearing jeans, but when she leaves the basketball court, she is wearing green wind pants.
When Cindy is talking to Alan on the basketball court, the ball jumps between them between shots.
The type and amount of clouds change in the final scene of the movie when the family walks to the river and get their pictures taken by Alan.
In the final scene by the river, the mother calls the little boy by his real name (Brendan), and not by the character's name (Jonathan), as shown in the credits.
When Alan asks to photograph the family of four, the mother calls her son "Brendan" but the credits list the two characters as "Jonathan's Mother" and "Jonathan" played by Kelly Ryder and her real-life son Brendan Ryder. It appears the actress accidentally called her son by his real name instead of his character's name.
The outdoor scenes would indicate mid summer when basketball season is in the middle of winter.