Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
One week and it's Easter already. Thought I would revisit the decorated egg contest at inkscape community: http://forum.inkscapecommunity.com/index.php?topic=118.0
Source Lazur URH
Prismatic Geometric Pattern Background 2
Source GDJ
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin