Unminified code for a Pinterest gallery designed for use as an HTML/JavaScript gadget on Blogger. Minified version at: https://gist.github.com/mariemosley/f3bb583947d8cd04d3ad

pinterest-on-blogger-unminified.html

<!-- BEGIN CODE IT PRETTY PINTEREST GALLERY -->

<style>
#pinterest-gallery {
  overflow: auto;
  width: 210px;
  list-style: none;
}

#pinterest-gallery li {
  float: left;
  width: 100px;
  height: 100px;
  background-size: cover;
  margin: .1em;
  padding: 0;
  border: none;
}

#pinterest-gallery img { border: none; }

.pinterest-link {
  display: block;
  overflow: hidden;
  text-indent: 100%;
  height: 100%;
  white-space: nowrap;
}

/* Internet Explorer correction */
#pinterest-gallery li a {
  color: transparent;
  line-height: 1px;
  font-size: 0px;
}

</style>

<div id="pinterest-gallery"></div>


<!-- If you already have jQuery installed in your template, remove the next line -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<!--  -->

<script type="text/javascript">
$( document ).ready(function() {



  //GALLERY SETTINGS


  var thumbnailCount = 6;
  var username = 'codeitpretty';
  var profile = true;
  var board = false;
  var boardname = '';
  var newWindow = false;



  //END GALLERY SETTINGS. DO NOT EDIT BELOW THIS LINE





  var url;
  var urlPrefix = 'https://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=https://www.pinterest.com/';

    if ((board === true && profile === true) || ((board === false && profile === false))) {
$('#pinterest-gallery').append('<p>Error: please choose a profile gallery or board gallery.</p>');
  }

  else {
      if (profile === true) {
        url = urlPrefix + username +'/feed.rss&num='+thumbnailCount;
  } else {
      if (board === true && boardname === '') {
        $('#pinterest-gallery').append('<p>Error: Please specify a boardname.</p>');
      }
    url = urlPrefix + username +'/'+ boardname + '.rss&num='+thumbnailCount;
    }
  }

      $.ajax({
        url: url,
        dataType: 'jsonp',
        success: function(data) {

           $.each(data.responseData.feed.entries, function(i) {
             var feedData = data.responseData.feed.entries;
             var title = feedData[i].title;
             var link = feedData[i].link;
             var content = feedData[i].content;
             var beginImageUrl = content.indexOf('http');
             var endImageUrl = content.indexOf('"></a>');
             var fullImageUrl = content.substring(beginImageUrl, endImageUrl);
             var imageLink = $('<li><a class="pinterest-link" href="'+link+'">'+title+'</a></li>');

              if (newWindow === true) {
               $('.pinterest-link').attr('target', '_blank');
             }

             imageLink.appendTo('#pinterest-gallery').css('background-image','url(' + fullImageUrl + ')');
                });
            }
    });

});

</script>

<!-- END CODE IT PRETTY PINTEREST GALLERY-->