Art and War

Propaganda consists of the planned use of any form of public or mass-produced communication designed to affect the minds and emotions of a given group for a specific purpose,...
—Paul Linebarger, Psychological Warfare, 1954
http://scholarworks.umass.edu/dissertations/AAI8727038/
This abstract briefly explains research into propaganda in American WWII films.

http://rhsweb.org/library/propaganda.html
Extensive library of propaganda, including video clips

http://www.pbs.org/thewar/edu_lesson_plan.htm
Website for Ken Burns WWII program with many video clips

http://www.mediacampaign.org/mg/television.html
Videos developed to persuade teenagers to avoid becoming hooked on drugs.