Film as political propaganda

hmmm?

Triumph of the Will

…I’m black and I am a swim instructor, a lifeguard and a former high school swimmer.

Yuliya Solntseva’s films.
Unavailable as they are, all of them are Stalinist agitprop, but contain some really great images.
Though they can’t be easily obtained, when they can[!], make sure to keep an eye out.
[I obtained two films of hers by, uh, totally legal means]