Feel free to choose the button you like best. =3 I'm not sure how you list your affiliates, though your button is static.
<a href="http://left4dead.spleafnet.com" target="_blank"><img src="http://img.photobucket.com/albums/v285/SunLizard/site/button.png" border="0" alt="Left 2 Die: A Left 4 Dead Roleplay"></a>
<a href="http://left4dead.spleafnet.com" target="_blank"><img src="http://img.photobucket.com/albums/v285/SunLizard/site/button2.png" border="0" alt="Left 2 Die: A Left 4 Dead Roleplay"></a>
<a href="http://left4dead.spleafnet.com" target="_blank"><img src="http://img.photobucket.com/albums/v285/SunLizard/site/button3.png" border="0" alt="Left 2 Die: A Left 4 Dead Roleplay"></a>