Abstract Tiled Background Extended 11
Source GDJ
A floral background formed from numerous clones of flower 117.
Source Firkin
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos