To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor