Bäck Design is using following resources:

www.13styles.com
www.dinpattern.com
www.moxiecode.com
www.iconspedia.com
www.famfamfam.com
www.cssmenumaker.com
www.noqta.it/dromoscopio/
www.kollermedia.at/pattern4u/
www.squidfingers.com/patterns/