Frederic Back's Crac!:
Frederic Back's The Man Who Planted Trees:
Yuri Norstein's Tale of Tales:
Tim Burton's Vincent:
Mel Brooks' The Critic:
Bob's Birthday by Alison Snowden and David Fine:
The Crunch Bird:
The Dot and the Line: A Romance in Lower Mathematics:
Hilary from anthony hodgson on Vimeo.
The Hubley's MoonBird:
If you're interested in more, my husband's list of Non Hollywood Cartoons is here while the Hollywood Cartoons are here.