$.swipebox( [
    { href:'big/image1.jpg', title:'My Caption' },
    { href:'big/image2.jpg', title:'My Second Caption' }
] );

$.swipebox( [
  $.each( data, function(index, val){
      { href:data[index].image_link, title:data[index].image_title }
  } )
] );

$.swipebox($.map(data, function (val, index) {
    return {
        href: val.image_link,
        title: val.image_title
    }
}));