CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Embossed lines and squares with subtle highlights.
Source Alex Parker
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Colour version of the original pattern.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin