A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Classic vertical lines, in all its subtlety.
Source Cody L
Prismatic Groovy Concentric Background 2
Source GDJ
Sort of reminds me of those old house wallpapers.
Source Tish
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Embossed lines and squares with subtle highlights.
Source Alex Parker