Test something

HTML

<img src="http://farm6.static.flickr.com/5282/5355532341_e4b1a46e4f_s_d.jpg" class="thumbnail" title="Flower and table and stuffs" data-bigpicUrl="http://farm6.static.flickr.com/5282/5355532341_e4b1a46e4f_d.jpg" />
<img src="http://farm6.static.flickr.com/5123/5356156342_3984d757d2_s_d.jpg" class="thumbnail" title="Nice eye" data-bigpicUrl="http://farm6.static.flickr.com/5123/5356156342_3984d757d2_d.jpg" />

<div>CC image by <a href="http://www.flickr.com/photos/opie1/">opie0429</a> and <a href="http://www.flickr.com/photos/56418478@N07/">gitrevisanuto</a></div>

<div id="bigpic"></div>
<div id="pictitle"></div>

JavaScript

$(function() {
    $(".thumbnail").hover(
      function() {
        var $this = $(this);
        $("#bigpic").html("<img src='" + $this.attr("data-bigpicUrl") + "'>");
        $("#pictitle").html($this.attr("title"));
      },
      function() {

      });
});