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There's a lot of duplication to get src, name, and so on. Simply use $.map:

  var properties = $.map(["src", "name", "date", "desc"], function(id) {
    return xml.getElementsByTagName(id)[d].childNodes[0].nodeValue;
  }

Don't forget any var

Create img using this less error-prone technique:

  var img = $('<img>').attr('alt', name).attr('src', src);