If you like Font Awesome, you're going to love Black Tie!
             

fa-flag-checkered · Unicode: f11e · Created: v3.1 · Categories: Web Application Icons

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-flag-checkered
<i class="fa fa-flag-checkered"></i> fa-flag-checkered

Looking for more? Check out the examples.