A heavy hitter at 400x400px, but lovely still.
Source Breezi
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Seamless Green Tile Background
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Colourful background achieved with gradient fills.
Source Firkin
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Black brick wall pattern. Brick your site up!
Source Alex Parker
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Alternative colour scheme to the original.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
Sort of reminds me of those old house wallpapers.
Source Tish
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Abstract Tiled Background Extended 11
Source GDJ
The original enhanced with one of Inkscapes's filters.
Source Firkin