ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Colorful Floral Background 3 No Black
Source GDJ
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
Classic vertical lines, in all its subtlety.
Source Cody L
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Old China with a modern twist, take two.
Source Adam Charlts
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith