Wavy background #2019
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
More Textures
Wide Rectangles@2X #700
Wall CC BY-SA 3.0Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Cross Stripes@2X #48
Dark CC BY-SA 3.0Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Finery #1370
Wall CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
flower seamless pattern #2272
Brown CC 0This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Tileable Wood@2X #656
Wood CC BY-SA 3.0Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Page ornament #1989
Dark CC 0Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background@2X #539
Diamond CC 0Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Tessellation 16 (colour 4) #2212
Green CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Old Brown Leather, Seamless Texture #1117
Leather CC BY-SA 3.0This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Soft Wallpaper@2X #96
Wall CC BY-SA 3.0Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Green Gobbler #85
Dark CC BY-SA 3.0Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Tessellation 11 (variant 3) #2536
Grid CC 0The original enhanced with one of Inkscapes's filters.
Source Firkin
Subtle Stripes@2X #752
Stripes CC BY-SA 3.0Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Txture #757
Dark CC BY-SA 3.0Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Overlapping planks 3 #2573
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Floral background 11 #2044
Dark CC 0Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Leafy pattern 4 #1915
Green CC 0Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Floral divider 7 #1747
Dark CC 0From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin