.
// See http://gj37765.blogspot.com/2012/11/how-to-resize-popular-post-thumbnails.html
var newSize = 100; // this is the new thumbnail size, you can change this
$(".popular-posts .item-thumbnail img").each(function() {
var oldSize = $(this).attr("width");
$(this).attr("width", newSize); $(this).attr("height", newSize);
$(this).attr("src", $(this).attr("src").replace("/s"+oldSize+"-c/", "/s"+newSize+"-c/"));
});
//]]>