“This free social media icon pack includes 25 sleek, modern and very usable social media/networking icons that can be used and downloaded (free of charge) in your work. Commercial work use is permitted. Use it on blogs, portfolios, web application interfaces, and so forth. The icons come in 2 sizes: 32×32px and 16×16px. Twitter, Facebook, StumbleUpon, and Digg are but a few icons that are in this free social media icon pack.”
Download your free pack @ DESIGNINSTRUCT.
“The icons we created for you are clean and simple, ready to be used in websites, blogs, web applications, and everything else that you can imagine. There are 10 icons in the set for popular web services like Twitter and Facebook.
This icon pack includes the vector source files (AI) of each icon so that you can easily edit and scale the icons with no loss in quality. It also comes with PNG files with sizes at 256×256px.”
You can find the download file @ SIXREVISIONS.
This pack includes 20 high quality 3D icons available in PNG format in several sizes including 512px, 256px, 128px, and 64px. These icons were created by La Glanz Studio and are royalty-free, so you can use them for any commercial or personal project.
You can find the download link @ PSDTUTS.
GFXonline 