A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A browner version of the original weathered fence texture.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Background pattern originally a PNG drawn in Paint.net
Source Firkin
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Element of beach pattern with background.
Source Rones