A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A seamless background of warped stripes on paper.
Source V. Hartikainen
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Tiny circle waves, almost like the ocean.
Source Sagive
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Green Background Pattern
Source V. Hartikainen
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo