Ideal für Header Backgrounds, Logos etc: http://webtreats.mysitemyway.com/
498 Patterns: http://www.azakers.com/498-photoshop-background-patterns.php
Font / Logo Patterns: http://webtreats.mysitemyway.com/clear-jelly-text-effect-layer-styles/
http://www.1stwebdesigner.com/resources/free-psd-files/