The original enhanced with one of Inkscapes's filters.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A bit of scratched up grayness. Always good.
Source Dmitry
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
This is a remix of "geometrical pattern 01".
Source Yamachem
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin