This LiveJournal entry has some interesting scans of Chinese propaganda pamphlets from the 1940s and 50s. Here’s an example:
Click to see the image at full size on its original page.
Although the illustration was made in 1951 and that’s supposed to be Harry S. Truman dancing on a cannon and waving a bomb while people drown and lose their homes, I can’t look at that image and not be reminded of the Hurricane Katrina debacle.