[Deff]

jQuery

<style>
#slider img{
 visibility:hidden;
display:inline-block;
background-color:#000;
background-image:url(http://uploads.ru/i/0/S/c/0ScZL.gif);
background-position:center center;
background-repeat:no-repeat;
}
</style>

<div id="slider" >
<img src="1" >
<img src="2" >
<img src="3" >
</div>

<script type="text/javascript">
$("#slider img").load(function() {
  $(this).css({ 
		'visibility':'visible',
		'background-color':'transparent',
		'background-image':'none'
		
	     });
});
</script>