When the ticket blows out of Dee's bag, it starts out partway inside the bag. In the flashback, it is completely outside the bag.
At around 06:00 onward, when Dee is talking about reducing the risk of disease, after a cut away to the rest of the gang, her cigarette gets noticeably longer in her hand.
When Mac is demonstrating his exercise bike, he finishes by saying his marketing phrase "Never stop pounding!" and makes a fist with his left arm. A reaction shot is then shown, and when it cuts back to Mac, he is making a fist with his right arm.
When the ticket blows out of Dee's bag, the edge of the bag moves slightly from the wire as it pulls the ticket out of the bag.