simpan code di bwah ini di body atau di html kamu


<script language="JavaScript">
<!--


/*
Random Image Script- By  ( http://blogspotmania.blogspot.com/ ) 
Keep this notice intact please
*/


function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="image6.gif"
myimages[2]="image6.gif"
myimages[3]="image6.gif"
myimages[4]="image6.gif"
myimages[5]="image6.gif"
myimages[6]="image6.gif"


var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<img src="'+myimages[ry]+'" border=0>')
}
random_imglink()
//-->
</script>


Note:

Tulisan image6.gif  ganti dengan url gambarmu