<div id="slider" class="nivoslider">
    <!--Make a new img src thingy for each new image...these can
        be changed, they're only placeholders-->
    <img src="lib/images/up.jpg" alt="">
    <img src="lib/images/monstersinc.jpg" alt="">
    <img src="lib/images/nemo.jpg" alt="">
    <img src="lib/images/walle.jpg" alt="">
</div>