Fall Leaves #243
Fabric CC 0Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
More Textures
Background pattern 7 #227
Noise CC 0Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Pyramid #895
Light CC BY-SA 3.0Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Small Crackle Bright #352
Light CC BY-SA 3.0Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Prismatic Hexagonalism Pattern No Background #391
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
Background pattern 272 (colour 3) #2055
Red CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Notebook #1178
Gray CC BY-SA 3.0This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Fleurs-de-lys pattern 2 (colour) #2204
Colorful CC 0Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
Concrete Wall #77
Wall CC BY-SA 3.0Dark blue concrete wall with some small dust spots.
Source Atle Mo
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Dark Geometric #619
Dark CC BY-SA 3.0Continuing the geometric trend, here is one more.
Source Mike Warner
Background pattern 203 (colour 2) #2485
Green CC 0A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Tessellation 15 (colour) #2222
Blue CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Floral background 2 #2471
Yellow CC 0Background formed from the original with an emboss effect.
Source Firkin
Wet Paper Background (Pale Yellow) #1224
Yellow CC BY-SA 3.0A seamless paper background colored in pale yellow.
Source V. Hartikainen
Stucco@2X #295
Wall CC BY-SA 3.0A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
"Light Green Wall", Repeatable Texture #1190
Concrete CC BY-SA 3.0Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Diamond pattern (colour 3) #2283
Green CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Fabric of Squares #1095
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Background pattern 223 (colour 3) #2351
Green CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Bright Multicolored Floral Background@2X #560
Noise CC 0Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Dark #1258
Paper CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Rounded Squares Grid 3 No Background #489
Noise CC 0Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Wellington boots pattern #1900
Colorful CC 0CC0 and seamless wellington boot pattern.
Source SliverKnight