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 Hey guys! Go to your favourite website and execute this script in console to see amazing photo cannon! :) (Prototype version - feel free to improve this code and message me source back.).
     function place_gun()
    {
      var canon = document.createElement('div');
     canon.style.position = 'absolute';
     canon.style.top = window.innerHeight/2 - 15 + 'px';
     canon.style.width = 100 + 'px';
     canon.style.height = 30 + 'px';
     canon.style.border = '1px solid'; 
     canon.style.borderTopLeftRadius = '200px';
     canon.style.borderBottomLeftRadius = '200px';
     canon.style.backgroundColor = 'red';
     canon.style.left = 10 + 'px';
     canon.id = 'canon';
     canon.style.textAlign = 'center';
       document.body.appendChild(canon);
      document.onmousemove = function(e)
     {
       x = e.pageX - 60;
      y = window.innerHeight/2 - e.pageY;
        angle =  Math.atan(y/x)*180/Math.PI
         canon.style.webkitTransform = 'rotate('+angle*(-1)+'deg)';
     }
    }
     function load_gun()
    {
      var images = document.images;
     var index = -1;
     var elements = document.getElementsByTagName("*");
      for(i=0;i<=elements.length-1;i++)
     {
       elements[i].style.visibility = 'hidden';
     }
       document.getElementById('canon').innerHTML = images.length;
      document.getElementById('canon').style.visibility = 'visible';
      document.onclick = function(e)
     {
       index = index + 1;
        if((images.length)-index*2-1 <0) return;
       images[index].style.opacity = 0;
        document.getElementById('canon').innerHTML = (images.length)-index*2-1;
        var el = document.createElement('img');
       el.style.width = images[index].offsetWidth + 'px';
       el.style.height = images[index].offsetHeight + 'px';
       el.src = images[index].src;
       el.style.position = 'fixed';
      el.style.visibility = 'visible';	
      el.style.top = canon.offsetTop + 'px'
      el.style.left = -(el.offsetWidth)-10 + 'px'; 
      el.style.transition = 'left 1s, top 1s';
      el.style.transitionTimingFunction = 'ease-in';
      el.style.webkitTransform = 'rotate('+angle*(-1)+'deg)';
      el.style.border = '1px solid';
        document.body.appendChild(el);
       setTimeout(function a(){el.style.left = e.pageX + 'px';el.style.top = e.pageY + 'px';},1);
      }
     }place_gun();load_gun();