I use the4 following on my site, feel free to adapt it by substituting the number of pictures and the URL's, just insert into the head tags where you want it to appear.
mine is pretty image heavy laden so might take a few seconds to load, see it in action at
www.gcsportsphotos.co.uk
<script>
// =======================================
// set the following variables
// =======================================
// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 3000
// Duration of crossfade (seconds)
var crossFadeDuration = 6
// Specify the image files
var Pic = new Array() // don't touch this
// to add more images, just continue
// the pattern, adding to the array below
Pic[0] = 'http://www.gcsportsphotos.co.uk/images/slide1.jpg'
Pic[1] = 'http://www.gcsportsphotos.co.uk/images/slide2.jpg'
Pic[2] = 'http://www.gcsportsphotos.co.uk/images/slide3.jpg'
Pic[3] = 'http://www.gcsportsphotos.co.uk/images/slide4.jpg'
Pic[4] = 'http://www.gcsportsphotos.co.uk/images/slide5.jpg'
Pic[5] = 'http://www.gcsportsphotos.co.uk/images/slide6.jpg'
Pic[6] = 'http://www.gcsportsphotos.co.uk/images/slide7.jpg'
Pic[7] = 'http://www.gcsportsphotos.co.uk/images/slide8.jpg'
Pic[8] = 'http://www.gcsportsphotos.co.uk/images/slide9.jpg'
Pic[9] = 'http://www.gcsportsphotos.co.uk/images/slide10.jpg'
Pic[10] = 'http://www.gcsportsphotos.co.uk/images/slide11.jpg'
Pic[11] = 'http://www.gcsportsphotos.co.uk/images/slide12.jpg'
Pic[12] = 'http://www.gcsportsphotos.co.uk/images/slide13.jpg'
Pic[13] = 'http://www.gcsportsphotos.co.uk/images/slide14.jpg'
Pic[14] = 'http://www.gcsportsphotos.co.uk/images/slide15.jpg'
Pic[15] = 'http://www.gcsportsphotos.co.uk/images/slide16.jpg'
Pic[16] = 'http://www.gcsportsphotos.co.uk/images/slide17.jpg'
Pic[17] = 'http://www.gcsportsphotos.co.uk/images/slide18.jpg'
Pic[18] = 'http://www.gcsportsphotos.co.uk/images/slide19.jpg'
Pic[19] = 'http://www.gcsportsphotos.co.uk/images/slide20.jpg'
Pic[20] = 'http://www.gcsportsphotos.co.uk/images/slide21.jpg'
Pic[21] = 'http://www.gcsportsphotos.co.uk/images/slide22.jpg'
Pic[22] = 'http://www.gcsportsphotos.co.uk/images/slide23.jpg'
Pic[23] = 'http://www.gcsportsphotos.co.uk/images/slide24.jpg'
// =======================================
// do not edit anything below this line
// =======================================
var t
var j = 0
var p = Pic.length
var preLoad = new Array()
for (i = 0; i < p; i++){
preLoad
= new Image()
preLoad.src = Pic
}
function runSlideShow(){
if (document.all){
document.images.SlideShow.style.filter="blendTrans(duration=2)"
document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)"
document.images.SlideShow.filters.blendTrans.Apply()
}
document.images.SlideShow.src = preLoad[j].src
if (document.all){
document.images.SlideShow.filters.blendTrans.Play()
}
j = j + 1
if (j > (p-1)) j=0
t = setTimeout('runSlideShow()', slideShowSpeed)
}
</script>