<script type="text/javascript">

//FIRST IT FINDS EVERY IMAGE IN EVERY POST IN A PAGE
$('td.c_post img').each(function() {

//THEN IT ASKS THE ALT ATTRIBUTE OF THAT IMAGE
var alt = $(this).attr("alt");

//THEN IT ONLY DOES THE FOLLOWING IF THE ALT ATTRIBUTE IS "Posted Image". THAT'S WHAT EVERY USER POSTED IMG USES AS AN ATTRIBUTE ON THIS WEBSITE. THIS IS TO AVOID AFFECTING EMOTICONS.
if (alt == "Posted Image"){

//THEN IT GRABS THE LINK OF THAT IMAGE
var href = $(this).attr('src');

//AND THEN IT WRAPS THE IMAGE IN A LINK TO ITSELF AND IT OPENS IT IN A NEW WINDOW
$(this).wrap('<a href="' + href + '" target="_blank">');
};
});

</script>