A+SkyAndSea Theme for GNOME 2 & Metacity
Source (required if based on other people's work):
A+SkyAndSea Theme for GNOME 2.x
A gorgeous theme based upon several themes, including the Dust theme. The background image is original work.
This theme is part of UberStudent--Linux for College and High School, and is part of the uberstudent-extra-themes package.