Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Prismatic Groovy Concentric Background 4
Source GDJ
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
From an image on opengameart.org shared by rubberduck.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
The original enhanced with some gradients.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo