The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
A seamless background of warped stripes on paper.
Source V. Hartikainen
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
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
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Black brick wall pattern. Brick your site up!
Source Alex Parker
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler