$(function() {
$('.image-large').crossSlide({
  sleep: 3, //in sec
  fade: 1.5   //in sec
}, [
  { src: 'images/derwent-gallery-01.jpg' },
  { src: 'images/derwent-gallery-02.jpg' },
  { src: 'images/derwent-gallery-03.jpg' }
]);
});