Pictures, usually movie, used in a film as a background to commentary. Implies that they would not have been included if better footage was available.
Something happens which has been filmed for 20 seconds, but to explain it takes 40 seconds. Pictures of the expert explaining it are boring, so 10 seconds of "wallpaper" are needed (e.g. exterior of factory.) Also known as padding.
by GeoffT April 29, 2005