Background pattern 272 (colour 2) #2056
Pink 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
More Textures
Dark Sharp Edges #1320
Dark CC BY-SA 3.0Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Prismatic Hypnotic Pattern 2 No Background@2X #574
Noise CC 0Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Background pattern pink #1954
Pink CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Cincinnati tablet 2 #2146
Dark CC 0Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Old Mathematics@2X #44
Stripes CC BY-SA 3.0This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Zig-zag pattern 6 #2413
Grid CC 0A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background #543
Diamond CC 0Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Paper 3@2X #32
Paper CC BY-SA 3.0Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
geometrical pattern 01 remix #2456
Wall CC 0This is a remix of "geometrical pattern 01".
Source Yamachem
Wild Oliva #988
Dark CC BY-SA 3.0Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Pattern #1476
Paper CC 0Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Background pattern 328 (colour 5) #1797
Blue CC 0To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Bedge Grunge@2X #979
Paper CC BY-SA 3.0A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Orange-red Pattern #995
Stripes CC BY-SA 3.0Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Scribble Light@2X #740
Paper CC BY-SA 3.0A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Kaleidoscope Prismatic Abstract No Background@2X #807
Noise CC 0Kaleidoscope Prismatic Abstract No Background
Source GDJ
Green Gobbler #85
Dark CC BY-SA 3.0Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Floral background #1975
Colorful CC 0Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Office #957
Dark CC BY-SA 3.0I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.