I’ve been working on this project for a little while now, as it required a little more work. This time I created a set of icons for an upcoming program called Magic Book Reader. This piece of software is a “GTK+ cross platform application for reading FictionBook e-books”, released under the GPL.
I created a total of 12 icons, which you can see here:
If there is anybody is interested in these or other (including new) icons for their project, website or themselves, please contact me.
Another update for Project Breakdance, this time Jaiku:

Please contact me if your project needs them.
As an update for Project Breakdance, I created a Tango version of the Qaiku icon:

Please contact me if your project needs them.
I created another icon following the Tango style guidelines. This time, it is Ping.fm:

Contact me if your project needs them.
Another icon for a internet service in the Tango style, this time it’s Flickr:

Contact me if your project needs them.
The open-source microblogging application Laconica got a Tango icon:

Contact me if your projects needs them.
Per request I created a Tango version of the Brightkite logo:

Contact me if your project needs them.