Yes, there is propaganda in the movie and sometimes it makes a point like the blunt end of a sledgehammer, but it is necessary to wake people up! An example is that he took 911 rescue workers who were denied health care by their insurance companies to Cuba. There they were welcomed and treated for free by Castro's "more caring" system.
The Bush administration tried to charge Moore in response for dealing with "The Great Demon Of The Caribbean." It appears that McCarthyism
is alive and well in the Bush administration.
There are lots of clips on YouTube including this one:

http://www.youtube.com/watch?v=nGStsbCRKk4