var images = [
            "images/home_2.jpg",
			"images/home_1.jpg",
			"images/home_3.jpg",
			"images/home_4.jpg",
            "images/home_5.jpg"
        ];
        var index = 0;
        
        $.backstretch(images[index], {speed: 500});
        
        setInterval(function() {
            index = (index >= images.length - 1) ? 0 : index + 1;
            $.backstretch(images[index]);
}, 5000);