motion poster
the legal term movie productions use in place of "sorry, we don't have enough clips to make into a full trailer yet, but just to keep the buzz going about our film, here's something-that's-really-nothing to whet your appetites with"
Jen: Have you seen the motion poster for The Hunger Games yet?
Anna: The what?
Jen: It's a poster that, you know, moves.
Anna (incredulous): Like in Harry Potter???
Anna: The what?
Jen: It's a poster that, you know, moves.
Anna (incredulous): Like in Harry Potter???