Tyger is a great short film by a Brazillian, Guillherme Marcondes. You can watch it online at various bandwidths, or download it for viewing offline.
Tyger an interpretation of Blake's marvelous poem of the same name:
Tyger! Tyger! burning bright
In the forests of the night,
What immortal hand or eye
Could frame thy fearful symmetry?
In what distant deeps or skies
Burnt the fire of thine eyes?
On what wings dare he aspire?
What the hand dare sieze the fire?
[Read the rest of the poem here.]
There are no words behind the film, just sound and music. Set in Saõ Paulo, the film mixes photography, animation and some absolutely marvelous puppetry.