More than 700 free-use icons "Silk Icons"

It can also be used for designing sites, software tool bars, etc. Since there are various kinds of icons, it is certain to be useful someday if you bring in anyway.

The preview of all included icons is as follows.

Famfamfam.com: Silk Icons Preview
http://www.famfamfam.com/lab/icons/silk/preview.php
Download from below.

Famfamfam.com: Silk Icons
http://www.famfamfam.com/lab/icons/silk/

There are also other icons available for free on this site.

Famfamfam.com: Mini Icons
http://www.famfamfam.com/lab/icons/mini/

Famfamfam.com: Flag Icons
http://www.famfamfam.com/lab/icons/flags/

Famfamfam.com: Mint Icons
http://www.famfamfam.com/lab/icons/mint/