These are free feed icons in 30 various colors. All the icons are available in Creative Commons Attribution 3.0 License. To use them... 

These icon sets are free for desktop users as well as for web designers. iPhoneSketch (FastIcon): 4 free icons of iPhone, designed... 

23 freeware “iPhone-like” icons of Web 2 Social Bookmarks and Networks for use in blogs, websites, desktops, softwares. The Linux...