Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
Psychedelic Geometric Background No Black
Source GDJ
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
Prismatic Hypnotic Pattern No Background
Source GDJ
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin