Forum Moderators: open
What facilities are available to you on your server?
PHP/ASP/Perl etc.?
Without server side scripting you could show a random image using a directory of images and some JavaScript. This script (untested) should pick a random image from 10 stored in the directory /images/ with filenames image1.jpg through image10.jpg.
<script type='text/javascript'>number = Math.ceil(rnd()*10);
image = "/images/image" + number + ".jpg";
document.write("<img src='" + image + "'>");
</script>
<noscript>
<img src='/images/image1.jpg'>
</noscript>