$.fn.imagesLoaded = function(callback){
  var elems = this.filter('img'),
      len   = elems.length,
      blank = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";   
  elems.bind('load',function(){
      if (--len <= 0 && this.src !== blank){ callback.call(elems,this); }
  }).each(function(){
     if (this.complete || this.complete === undefined){
        var src = this.src;
        this.src = blank;
        this.src = src;
     }  
  }); 
  return this;
};