Ngunik

• Masuk / Login Ke Blogger.
• Rancangan / Layout.
• Edit HTML.
• Lalu diatas kotak editor HTML, centang bacaan  Expand Template Widget.
• Cari kode ]]></b:skin> lalu copy/paste kode dibawah ini diatasnya :

/* related box version box by http://www.fachrin.co.cc (The Fantasy Blog) */

.rbbox{-moz-border-radius:5px;background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSA9Md2EErG1RGpJnEAF3oKSytlePqVzhlouXDTDlsYQH4vfRz1iZ2e8XFOd_1FfsnjHX2Aha3efLjSh7jZ0xLyi6jUqhgj-rtw7loszaK-sdjXX7mEH5Jy5jbPOJfAC4l4_u8USXgH38/s1600/img03.jpg);border:1px solid #D8D8D8;margin:5px;padding:5px}.rbbox:hover{background-color:#EFFBEF}

• Setelah itu cari kode  dan copy/paste kode dibawah ini tepat dibawah kode 
  :

<b:if cond='data:blog.pageType == "item"'>

<H2>Related Post:</H2>

<div class='rbbox'>

<div style='margin:0;

padding:10px;height:200px;overflow:auto;border:1px solid #ccc;'>

<div id='albri'/><script type='text/javascript'>var homeUrl3 = "<data:blog.homepageUrl/>";var maxNumberOfPostsPerLabel = 4;var maxNumberOfLabels = 10;maxNumberOfPostsPerLabel = 50;maxNumberOfLabels = 3;function listEntries10(json) {var ul = document.createElement('ul');var maxPosts = (json.feed.entry.length <= maxNumberOfPostsPerLabel) ?json.feed.entry.length : maxNumberOfPostsPerLabel;for (var i = 0; i < maxPosts; i++) {var entry = json.feed.entry[i];var alturl;for (var k = 0; k < entry.link.length; k++) {if (entry.link[k].rel == 'alternate') {alturl = entry.link[k].href;break;}}var li = document.createElement('li');var a = document.createElement('a');a.href = alturl;if(a.href!=location.href) {var txt = document.createTextNode(entry.title.$t);a.appendChild(txt);li.appendChild(a);ul.appendChild(li);}}for (var l = 0; l < json.feed.link.length; l++) {if (json.feed.link[l].rel == 'alternate') {var raw = json.feed.link[l].href;var label = raw.substr(homeUrl3.length+13);var k;for (k=0; k<20; k++) label = label.replace("%20", " ");var txt = document.createTextNode(label);var h = document.createElement('b');h.appendChild(txt);var div1 = document.createElement('div');div1.appendChild(h);div1.appendChild(ul);document.getElementById('albri').appendChild(div1);}}}function search10(query, label) {var script = document.createElement('script');script.setAttribute('src', query + 'feeds/posts/default/-/'+ label +'?alt=json-in-script&callback=listEntries10');script.setAttribute('type', 'text/javascript');document.documentElement.firstChild.appendChild(script);}var labelArray = new Array();var numLabel = 0;<b:loop values='data:posts' var='post'><b:loop values='data:post.labels' var='label'>textLabel = "<data:label.name/>";var test = 0;for (var i = 0; i < labelArray.length; i++)if (labelArray[i] == textLabel) test = 1;if (test == 0) {labelArray.push(textLabel);var maxLabels = (labelArray.length <= maxNumberOfLabels) ?labelArray.length : maxNumberOfLabels;if (numLabel < maxLabels) {search10(homeUrl3, textLabel);numLabel++;}}</b:loop></b:loop></script></div><script type='text/javascript'>RelPost();</script>

</div>

</b:if>