The following icons are the property of the Tango project and are 
released under Creative Commons Attribution-ShareAlike 2.5 License.
Please see COPYING for details

1.ico
2.ico
3.ico
4.ico
5.ico
6.ico
7.ico
8.ico
9.ico
10.ico
11.ico
18.ico
19.ico
21.ico
22.ico
23.ico
24.ico
25.ico
28.ico
40.ico
41.ico
42.ico
43.ico
50.ico
51.ico
52.ico
53.ico
54.ico
105.ico
159.ico
161.ico
500.ico
501.ico
502.ico
5012.ico

The following icons are the property of the VMware, Inc and are 
released under Creative Commons Attribution-ShareAlike 2.5 License.
(http://www.chipx86.com/blog/?p=206)
Please see COPYING for details

20.ico
23.ico