When Jimmy and Nancy see an open spot in the park to sit down, they run towards it, and off camera to the right. One of them, or something, hits the camera equipment as a "thump" can be heard, and the image tilts at the same time.
When Jimmy and Nancy go to walk in a crowded Central Park, they move through the shadow of the boom microphone. It is most evident on her lighter polka-dot dress.
When Mr. Jesse and Jimmy are leaving the children's home after delivering the toys, a moving shadow of the boom microphone is clearly visible on the stairs behind them.
Jimmy tells Nancy he's read that Central Park is 600 acres large. It is actually 843 acres in size and has been since 1873.