7 day free trial of Docktop.
Docktop is a launcher for Mac OS X with versatile customization options. This background-only application provides a dynamic launchbar on your desktop — behind or above the icons — to which you can add items to open applications, files, folders, weblinks, or AppleScripts.
Trial for Mac OS X 10.2.8+ (including Mac OS X 10.5 – Leopard).