Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
A floral background formed from numerous clones of flower 117.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Prismatic Groovy Concentric Background 3
Source GDJ
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Sometimes you just need the simplest thing.
Source Fabricio
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo