Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Abstract Tiled Background Extended 12
Source GDJ
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
Old China with a modern twist, take two.
Source Adam Charlts
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen