When Andy fetches Nobby the Horse from the stable, the horse is already harnessed up for the cart. The harness would have been taken off when Nobby was stabled the night before.
The stories on each side of the "Sir Galahad Rides Again" newspaper story are gibberish.
The painted scenery backgrounds and the rear projection shots are glaringly obvious. This may be due to the limited budgets during wartime.