background

Open Source Virtual Background | BenTheElder
Multiple Backgrounds and Borders with CSS 2.1 – Nicolas Gallagher
Luke Coburn (lukecoburn) on Twitter

This is a great Twitter background.

Subtle Patterns | Free textures for your next web project

Really nice patterns to add a little bit of visual interest without moving the spotlight.

Perfect Full Page Background Image | CSS-Tricks

I needed a technique like this on a project last year… eventually managed to hack something together, but this is definitely going in the reference files.