function mystique_get_avatar($email, $size = 48){
if(date('m-d') == '04-01') return '<img class="avatar" src="http://unicornify.appspot.com/avatar/'.md5($email).'?s='.$size.'" alt="one trick pony" width="'.$size.'" height="'.$size.'" />'; // 1st april? :)
else return get_avatar($email, $size);
}