jquery.backstretch

设置一张背景图
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="jquery.backstretch.min.js"></script>
<script>
    $.backstretch("pot-holder.jpg");
</script>

or

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>
<script src="jquery.backstretch.min.js"></script>
<script>
    $(".other").backstretch("coffee.jpg");
</script>

背景图片轮换
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="jquery.backstretch.min.js"></script>
<script>
    $.backstretch([
      "pot-holder.jpg",
      "coffee.jpg",
      "dome.jpg"
      ], {
        fade: 750,
        duration: 4000
    });
</script>

https://github.com/srobbin/jquery-backstretch