Here is a nice collection of feed icons. All are in PNG format, and all have transparent backgrounds (Although they may not appear as transparent if you are viewing via Internet Explorer). Download them individually or as a zipped set. In addition to the icons displayed below, the zipped set also includes two 500×500-pixel feed icons, one in standard orange and the other in greyscale. You can view the contents of the zip file, or you can view the individual feed icons loosely organized by type, below. Please save any feed icons to your server and kindly refrain from hotlinking. Thank you.
Unique Feed Icons
Standard Feed Icons
Greyscale Feed Icons
Download the complete set of RSS Feed Icons! 100% free and open source.