http://hobbes.nmsu.edu/pub/incoming/blue_ecs_angled_folder_theme_release1.zip
In addition, I have created additional blue folders for the various programs. This package is also uploaded to Hobbes.
http://hobbes.nmsu.edu/pub/incoming/new_blue_ecs_angled_folder_icons_release1.zip
The additional default folders for various programs is up to release 5 and can be downloaded from Hobbes also.
http://hobbes.nmsu.edu/pub/incoming/new_ecs_angled_folder_icons_release5.zip
Source: