A simple snippet to remove content (text/HTML) within the HTML document

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var ola = $('#thebody_id');
ola.html(ola.html().replace(/ <img src="this_image.gif">/ig, ""));
});
</script>