Unknown Lamer from the insects-are-surprisingly-good-at-design dept.
bpeh123 pointed out an article about generating organically tiled backgrounds inspired by the life cycle of cicadas. The trick is to overlay multiple background tiles with prime widths thus generating a series that does not repeat for a sufficiently long period. This introduces a seeming irregularity and makes the background appear much more natural.
"If you want to eat hippopatomus, you've got to pay the freight."
-- attributed to an IBM guy, about why IBM software uses so much memory