I found a better one, it's simple html!

HTML Code:
<script type="text/javascript">// <![CDATA[
var image1=new Image()
image1.src="images/test1.png"
var image2=new Image()
image2.src="images/test2.png"
var image3=new Image()
image3.src="images/test3.png"
// ]]></script>
<p><img src="/lfs/admin/images/test1.png" alt="" width="500" height="200" /></p>
<script type="text/javascript">// <![CDATA[
//variable that will increment through the images
var step=1
function slideit(){
//if browser does not support the image object, exit.
if (!document.images)
return
document.images.slide.src=eval("image"+step+".src")
if (step<3)
step++
else
step=1
//call function "slideit()" every 6.5 seconds
setTimeout("slideit()",6500)
}
slideit()
// ]]></script>