From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Prismatic Abstract Geometric Background 5
Source GDJ
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
An alternative colour scheme for the original background.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Prismatic Polka Dots Mark II No Background
Source GDJ
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers