<div class="container">
  <div class="col-md-12">
    <h1>Bootstrap 3.1.1 Thumbnail Slider</h1>

    <div class="well-none">
      <div id="myCarousel" class="carousel slide">

        <!-- Carousel items -->
        <div class="carousel-inner">
          <div class="item active">
            <div class="row">
              <div class="col-sm-3 col-xs-6">
                <a href="#x"><img src="http://placehold.it/500x500" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x"><img src="http://placehold.it/500x500" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x"><img src="http://placehold.it/500x500" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x"><img src="http://placehold.it/500x500" alt="Image" class="img-responsive"></a>
              </div>
            </div>
            <!--/row-->
          </div>
          <!--/item-->
          <div class="item">
            <div class="row">
              <div class="col-sm-3 col-xs-6">
                <a href="#x col-xs-6" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
            </div>
            <!--/row-->
          </div>
          <!--/item-->
          <div class="item">
            <div class="row">
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
              <div class="col-sm-3 col-xs-6">
                <a href="#x" class="thumbnail"><img src="http://placehold.it/250x250" alt="Image" class="img-responsive"></a>
              </div>
            </div>
            <!--/row-->
          </div>
          <!--/item-->
        </div>
        <!--/carousel-inner-->
        <a class="left carousel-control" href="#myCarousel" data-slide="prev"><i class="fa fa-chevron-left fa-4"></i></a>

        <a class="right carousel-control" href="#myCarousel" data-slide="next"><i class="fa fa-chevron-right fa-4"></i></a>
      </div>
      <!--/myCarousel-->
    </div>
    <!--/well-->
  </div>
</div>

.thumbnail {
  display: block;
  padding: 4px;
  margin-bottom: 20px;
  line-height: 1.42857143;
  -webkit-transition: all .2s ease-in-out;
  transition: all .2s ease-in-out;
  border-radius: 0;
  border: none;
  background-color: none;
}

.carousel-control {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 15%;
  opacity: .5;
  font-size: 20px;
  color: #fff;
  text-align: center;
  text-shadow: none;
}
.carousel-control.left {
	background-image: none;
}
.carousel-control.right {
  left: auto;
  right: 0;
  background-image: none;
}

.carousel-control {
  padding-top:10.25%;
  width:5%;
}

	$('#myCarousel').carousel({
	interval: 0
	})
    
    $('#myCarousel').on('slid.bs.carousel', function() {
    	alert("slid");
	});