how to achieve that effect

Support Animation and Rigging
1

How to do something like that?
Key framing?
rigid bodies?
particules?
Game engine?
the images seems to be projected and not attached (uvmap)to each cube.
Thanks for any help.
dag

http://www.weareroyale.com/work/28

2

http://blenderartists.org/forum/showthread.php?t=186032&highlight=discovery