This small app is only possible thanks to the work of many others to
'tangoify' the gnome desktop.  I am therefore crediting them here:

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--Icon Themes--

Collected Application Icons:  various icons, :  jimmac, kallepersson, mizmo, ulisse, hbons, stayfun, Sekkyumu, gaminggeek, seven.issimo, baze, andreasn, cornelius, vdepizzol, toZth, jesusda, mejogid (myself).
Assumed open license: GPL/CC (frequently none specified)

Custom Mimetype Icons:  mejogid (myself), vdepizzol
http://vdepizzol.wordpress.com/
http://mejogid.ohallwebservices.com
GPL

Sane Emblems: mejogid
http://mejogid.ohallwebservices.com
GPL

Custom Application Icons:  mejogid, jesusda
http://mejogid.ohallwebservices.com
GPL

Gnome:  Gnome Project (various artists)
http://www.gnome.org/
GPL

Tango:  Tango Project
http://tango.freedesktop.org/Tango_Desktop_Project
Creative Commons Attribution Share-Alike 2.5 

Tango Common:  Various (some ubuntu) Artists  (if someone can be more specific, please contact me).
http://packages.ubuntulinux.org/edgy/x11/tango-icon-theme-common
Creative Commons Attribution Share-Alike 2.5

Tango Unabashed:  Lokheed
http://www.deviantart.com/deviation/38266830/
Creative Commons Attribution Share-Alike 2.5 


Tangerine:  Various Ubuntu contributors
https://launchpad.net/tangerine-icon-theme
Creative Commons Attribution Share-Alike 2.5

Gion: ertz/Silvestre Herrera
http://www.silvestre.com.ar/
GPL

Foxtrot: david (at) chalkskeletons.com
http://david.chalkskeletons.com/
Creative Commons Attribution Share-Alike 2.5

Old Tango: mejogid (myself) based on previous Tango Project icons
http://mejogid.ohallwebservices.com
Creative Commons Attribution Share-Alike 2.5

Gnome Alternative: Ulisse
http://ulisse.wordpress.com/
GPL

Fogile: Ulisse
http://ulisse.wordpress.com/ 
GPL

Dark Media: Myself, based on icons from the Tango Project
http://bomahy.nl/hylke/blog/
GPL

Discovery: hbons
http://bomahy.nl/hylke/blog/
Creative Commons Attribution Share-Alike 2.5

Si: Freakcode
http://freakcode.deviantart.com/
GPL


Mist:  Gnome Project
http://www.gnome.org/
GPL

Crux:  Gnome Project
http://www.gnome.org/
GPL

Tango Materia:  gabriev
http://materia.infinitiv.it/
Creative Commons Attribution Share-Alike 2.5