Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A bit strange this one, but nice at the same time.
Source Diogo Silva
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Background pattern made in "Grunge-Like" style. Available in both SVG and JPG formats. Edit to your needs then click the download button.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Prismatic Groovy Concentric Background
Source GDJ
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin