Background pattern 8 (greyscale) #210
Dark CC 0Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
More Textures
Dark Tile-able Grunge Texture #1123
Grunge CC BY-SA 3.0Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Mosaic tile #2481
Brown CC 0From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
"Black Chains", Gloomy Background #1082
Metal CC BY-SA 3.0A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Seamless Wood Pattern #889
Wood CC BY-SA 3.0A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
"Honeycomb", Orange Background Pattern #1313
Orange CC BY-SA 3.0The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Background pattern 220 #2360
Dark CC 0A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Clean gray paper #859
Paper CC BY-SA 3.0On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
60º lines #25
Light CC BY-SA 3.0Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Little Knobs@2X #311
Light CC BY-SA 3.0White little knobs, coming in at 10x10px. Sweet!
Source Amos
Seamless Texture of Wood Planks #880
Wood CC BY-SA 3.0Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Moss #1290
Wall CC 0ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso