Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin