Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Prismatic Abstract Line Art Pattern Background
Source GDJ
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Sometimes you just need the simplest thing.
Source Fabricio
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Background pattern made in "Grunge-Like" style. Available in both SVG and JPG formats. Edit to your needs then click the download button.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen