Humanitarian toolbar icons v. 01
Source (required if based on other people's work):
These are the toolbar icons that you can use with humanity theme in karmic.
Designed as part of the humanitarian theme available here: http://www.gnome-look.org/content/show.php/humanitarian?content=116284
If you like the desktop background, its “Dust Planks” and you can find it here (http://www.gnome-look.org/usermanager/search.php?xsortmode=new&action=contents&username=hackerdl&page=0), courtesy of “hackerdl”
Instructions inside the archive.