From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Prismatic Groovy Concentric Background 2
Source GDJ
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
This one is amazing, truly original. Go use it!
Source Viahorizon
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
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
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Prismatic Hexagonalist Pattern No Background
Source GDJ
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO