Background Textures

http://subtlepatterns.com

Download the png files:

ex:
light_checkered_tiles_@2X.png
light_checkered_tiles.png

And use like this:

body {
    background-image:url("/wp/wp-content/themes/bcw/images/light_checkered_tiles.png");
}

some good ones:

http://subtlepatterns.com/checkered-light-emboss/ (BCW)
http://subtlepatterns.com/binding-light/ (CRAD)
http://subtlepatterns.com/cloth-alike/ (CRAD)
http://subtlepatterns.com/white-wall-2/ (looks like watercolor paper)