Untitled

html,body{height:100%;}

img{position:fixed;top:0;left:0;opacity:0;}

(function(){

  var delay = 100

  var backgrounds = "http://dump.fm/images/20140906/1410041305403-dumpfm-tommoody-curator.png http://dump.fm/images/20140906/1410042214267-dumpfm-tommoody-curator2.png http://dump.fm/images/20140906/1410044139323-dumpfm-tommoody-curator3.png".split(" ")

  backgrounds.forEach(function(bg){

    img = new Image ()

    img.src = bg

    document.body.appendChild(img)

  })

  var i = -1

  function animate (){

    i = (i + 1) % backgrounds.length

    document.body.style.backgroundImage = "url(" + backgrounds[i] + ")"

    setTimeout(animate, delay)

  }

  animate()

})()