When Bree is at the shop and people are waiting behind her mother-in-law, you can see how the first woman gets into the shop but you cannot see the man who came in, he just suddenly appears there.
During Gabrielle's visit with Carlos, her posture changes from leaning forward with her elbows on the table to leaning back with her arms crossed in between screen shots.
Susan and her ex-husband Karl are talking on her porch about his intentions to move in with Edie. As she walks to the door and faces him, her right shoulder strap is down, and moments later it lifts itself back up again.
When Susan is screaming at Edie and she's going away, Susan's hands change position between shots.