different headers

<div id="header-container">

<div id="header" class="grid_960 clearfix">
<?
if (is_category('kickn-it')){
echo '<img src="http://oi52.tinypic.com/14jx101.jpg">';
}
elseif(is_category('Travels')){
echo '<img src="travels.jpg">';
}
elseif(is_category('Musings')){
echo '<img src="musings.jpg">';
}
elseif(is_category('Lunch')){
echo '<img src="lunch.jpg">';
}
else { ?>
<center>
<img src="http://theapatheticprocrastinator.com/wp-content/header-images/Header.png" alt="Header.png" title="Header.png"></center>
<?php } ?>