I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin