See http://s.earthbound.io/5a for original, print and usage. I probably used a custom variant of the Filter Forge SideToSide filter to create this. This is an alpha mask (to build up alpha and hue layer variations to produce rectangular hue/tone variety) which I thought would make its own great variant and I tweaked and saved it as such. ~ A hoity-toity robot talks about this at http://s.earthbound.io/artgib