I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Sometimes you just need the simplest thing.
Source Fabricio
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin