ColorStroked freehand Icon set includes over 22 graphics tailored icons for your personal needs. You may download and use it as you like. This pack includes many social media icons such as Delicious, Digg, Flickr, StumbleUpon, Technorati ,Twitter and WindowsLive. Moreover, universally and OS based icons such Tux, Windows, Terminal, Firefox, OppenOffice, Gimp etc is now available in the Free(ColorStroked) icon pack. Hope you’ll find it useful.
EDIT: added youtube and facebook icon.
http://www.idisk.com.ua/UPLOAD/FreeHand_ColorStroked_icon_pac_by_mfayaz.zip