Propaganda Posters
Propaganda is a type of art that promotes causes of war. They often show citizens of countries wanting to help or join the war. This came in handy for getting more troops. This page gives a few examples of what you could find in propaganda posters.
This poster promotes the American spirit. It shows that the Americans should be willing to donate food. American citizen
This propaganda poster supported selling war bonds and uses jolly old St. Nick as the poster boy.
Apparently mustard gas smells like garlic and horseradish. Mustard gas is made from sulfur mustard. It can be in a vapor form. It causes intense bleeding and ulcerations of the skin.
This promotes the use of gas masks. But I don't think it would make a good pillow.
This poster visualizes the power that Russia and Great Britain have over the Nazi troops
Propaganda Films
Here a few links and screenshots. Click on image for video.