A seamlessly tile-able grunge background image.
Source V. Hartikainen
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem