When Percy Lamb says 'Just follow this' meaning the luggage straps tied to the headlights - the luggage straps are nowhere to be seen prior as if they mysteriously appeared in his hand.
In the actual movie, Mr. Schroeder is continually referred to as Edward as his given name. In the end credits, the character's given name is listed as Ernest.
Near the start of the film, when the passengers on the bus start to debate whether to stay where they are or to carry on, Miss Cynthia Beeston ( Margaret Rutherford ) stands up and bangs her head on the parcels rack. The scene continues but the filming was cut at this point - leaving the accident in the final film.