A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
This one is amazing, truly original. Go use it!
Source Viahorizon
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Colour version of the original seamless pattern.
Source Firkin