I'd been wanting to watch this movie since before it was released, but it was just too expensive. And then I found it used for $1.99. Nice!
Mirrormask is a Jim Henson Company film written by Neal Gaiman. The visual imagery is the real star of the show, but the movie itself was delightful, too, and easily viewable again.
Here's the trailer:
Here's the scene with the giants: