Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Alternative colour scheme for the original floral pattern.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin