Apparatus is provided for displaying still images that appear animated to viewers in motion relative to those images. The apparatus includes a backboard, a plurality of images mounted on a backboard, and a slitboard mounted between the backboard and the viewer. As viewers pass by, the slitboard acts...http://www.google.com.au/patents/US6718666?utm_source=gb-gplus-sharePatent US6718666 - Display of still images that appear animated to viewers in motion