The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Background formed from the original with an emboss effect.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
The image depicts a pattern of regular hexagon.As I made to use it for myself,I want to others to use it.Speaking about the ratio of the image, height : width = 2 : √3(1.732...)Ridiculous to say,I realized later that this image is not honey comb pattern.I have to slide the second row.
Source Yamachem
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ