In their list of validation images, I thought this was was pretty cool:<p><a href="http:&#x2F;&#x2F;tinyclouds.org&#x2F;colorize&#x2F;val-imgs&#x2F;val-006200-2.jpg" rel="nofollow">http:&#x2F;&#x2F;tinyclouds.org&#x2F;colorize&#x2F;val-imgs&#x2F;val-006200-2.jpg</a>