Keep an eye on that scene when Roy Rogers gets into a scrap with henchman Vic Rabin and the rest of his rowdies. The tear on the back of Roy's shirt changes size and shape throughout the fight.
During the initial conversation when Frank and Penny come to the ranch, there is a close-up shot of the Sons of the Pioneers sitting on the stairs in the hallway. However, shots before and after the close-up show them standing around in the hall and living-room, until they head for the stairs at Roy's signal.