A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Background formed from the original with an emboss effect
Source GDJ
Prismatic Hexagonalism Pattern No Background
Source GDJ
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Prismatic Basic Pattern 2 No Background
Source GDJ
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Retro Circles Background 4 No Black
Source GDJ
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
The image depicts polka dot seamless pattern.
Source Yamachem
A web texture of brown canvas. Will look great, when used in dark web designs.
Source V. Hartikainen
Abstract Ellipses Background Grayscale
Source GDJ
Green Web Background, Seamless tile.
Source V. Hartikainen
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen