This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
An alternative colour scheme to the original seamless pattern.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Abstract Tiled Background Extended 6
Source GDJ
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Black brick wall pattern. Brick your site up!
Source Alex Parker
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne