Number five from the same submitter, makes my job easy.
Source Dima Shiper
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Prismatic Polyskelion Pattern No Background
Source GDJ