If you wish to support the endeavors of the Software Freedom Law Center, one good way is to link to our main page with the following button on your site:
To include the button, simply insert this markup into your page:
<img src="http://www.softwarefreedom.org/img/support-sflc.png" alt="[frdm] Support SFLC" height="31" width="88" border="0" title="Software Freedom Law Center" />
If you would rather host the image on your server, feel free to do so. We truly appreciate your desire to help promote SFLC.