Te hize 2 avatares, son identicos, lo unico que uno tiene una pequeña animacion...
Avatar con Animacion:
Link = <a href="http://img250.imageshack.us/img250/9132/kormolqd9.gif" class="postlink" rel="nofollow" onClick="window.open(this.href);return false;">http://img250.imageshack.us/img250/9132/kormolqd9.gif</a>
Avatar sin Animacion:
Link = <a href="http://img299.imageshack.us/img299/1093/kormolfu0.jpg" class="postlink" rel="nofollow" onClick="window.open(this.href);return false;">http://img299.imageshack.us/img299/1093/kormolfu0.jpg</a>
Saludos.-