More Textures
Diamond pattern #2285
Brown CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Fabric of Squares@2X #1096
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Flourish 3 #2298
Dark CC 0From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Strange Bullseyes #865
Light CC BY-SA 3.0This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Diagonales Decalées@2X #1019
Light CC BY-SA 3.0Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Decorative divider 240 #2086
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Colourful background #2011
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Dark Wall #817
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2@2X #568
Dark CC 0Prismatic Abstract Line Art Pattern Background 2
Source GDJ
White Wall 3@2X #1149
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca
Pattern generator #161
Noise CC 0A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
SubtleNet #855
Light CC BY-SA 3.0You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Part of Bayeux Tapestry 2 #2451
Noise CC 0From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Green Fibers@2X #92
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Teal Circle Pattern Scrapbook Paper #144
Noise CC BY-SA 3.0Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Rushes divider #2152
Dark CC 0From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
Colorful Floral Background No Black@2X #482
Light CC 0Colorful Floral Background No Black
Source GDJ
Floral background 17 #1851
Green CC 0Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Prismatic Abstract Background Design No Black #404
Noise CC 0Prismatic Abstract Background Design No Black
Source GDJ
Squares #302
Dark CC BY-SA 3.0Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Wavy background #2017
Green CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Perforated White Leather #635
Light CC BY-SA 3.0A bit of scratched up grayness. Always good.
Source Dmitry