Mossi
Source (link to git-repo or to original if based on someone elses unmodified work): Add the source-code for this project on opencode.net
The color seems more green apple to me,
but I got the inspiration from this
background here;
http://interfacelift.com/wallpaper_beta/details/2097/moss.html
No metacity, it does include an openbox3 theme and a matching panel.png
