When Jim is driving to Artie's place at the end of the film, when he leaves his house, it is pouring rain, and when he arrives at Artie's it is pouring rain, but between these two shots, there is a high altitude shot of his car on the Golden Gate Bridge, and not only is it not raining, but the ground is clearly not even wet.
When the brothers go to New York there are cable car wires in the background.
When Jim kicks is in jail, and he is kicking the bench, the wall of the cell can be seen moving.