Deliberate mistake: When Jaime sneaks out of the window, a bright cinematic spotlight is cast around the window, contrasting with the dark night of the following wide shot.
Tall Woman in Red Wagon - S1-E6
Deliberate mistake: When the workers hit the coffin lid with the shovel, it is (obviously) fully buried and they moved just a little bit of soil off it. Rockford moves closer, and instantly the inside of the coffin is covered by the thinnest layer of dust, uniformly. (00:02:30)