Wavy background #2020
Green CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
More Textures
Cubes #133
Light CC BY-SA 3.0This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Prismatic Curved Diamond Pattern 7 No Background #547
Noise CC 0Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Background pattern 220 #2360
Dark CC 0A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Background pattern 117@2X #525
Noise CC 0A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
"Rusted Metal", Grunge Background #1087
Metal CC BY-SA 3.0A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
Connected #348
Light CC BY-SA 3.0White circles connecting on a light gray background.
Source Mark Collins
Black Metallic Pattern #1090
Metal CC BY-SA 3.0A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Background pattern 339 #1709
Dark CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Red & Black Well #1260
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Red #1247
Red CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Pineapple Cut #583
Diamond CC BY-SA 3.0I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
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
Prismatic Hexagonalism Pattern No Background #391
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
Decorative divider 272 (colour) #1926
Yellow CC 0Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Skin Side Up@2X #848
Light CC BY-SA 3.0White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Redox 01 #849
Light CC BY-SA 3.0Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Prismatic Groovy Concentric Background 3 #457
Noise CC 0Prismatic Groovy Concentric Background 3
Source GDJ
Decorative divider 218 #2232
Dark CC 0Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Decorative divider 235 #2091
Dark CC 0From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Rough Fabric Pattern (Dark Brown) #1166
Fabric CC BY-SA 3.0A background pattern with a look of rough fabric.
Source V. Hartikainen