Some cool visual art images:
Checkerboard (21st Century Op-Art Set)
Image by Visual Artist Frank Bonilla
For this checkerboard, you need to roll the ball on your mouse, to create some movement.
VSP Visual Street Performance 2007 @ Fabrica Braco de Prata, Lisbon, Portugal
Image by Graffiti Land
VSP Visual Street Performance 2007 @ Fabrica Braco de Prata, Lisbon, Portugal
Image by Graffiti Land