More Tango themes can be found here:
- OpenOffice theme: http://www.gnome-look.org/content/show.php/show.php?content=54799
- GIMP theme: http://www.deviantart.com/deviation/38089123/
- Firefox theme: https://addons.mozilla.org/firefox/3008/ 
- Azureus with Tango icons: http://www.gnome-look.org/content/show.php?content=47438&vote=good&tan=74157057
- Psi theme: http://blog.floorek.net/2006/08/06/ikony-tango-do-psi/
- BC Tango for Psi: http://www.kde-look.org/content/show.php/BC+Tango+Psi+Roster?content=72688
- gFTP theme: http://www.gnome-look.org/content/show.php?content=46310
- Inkscape: http://www.gnome-look.org/content/show.php?content=48140
- KWeather: http://www.kde-look.org/content/show.php/Tango+Kweather?content=56874

Visit http://boskastrona.ovh.org for even more icons!
