1. Tentunya anda harus buka akun blogger anda kawan.
2. Masuk Elemen Template - Lalu KlikEdit HTML 
3. Carilah kode ]]></b:skin>(gunakan CTRL + F untuk mempermudah pencarian)
4 Apabila sudah ketemu, copylah kode di bawah ini lalu tempatkan persis di atas kode ]]></b:skin> tadi.

/* Related Post Dengan Tooltips Membuat Blog Keren --- */
.related-post .post-thumbnail {
z-index: 1; position: relative;
width: 100px;
height: 100px;
margin: 0; display: block;
border-right: 1px solid #fff;
border-bottom: 1px solid #fff;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
-webkit-box-shadow: inset 2px 2px 5px #444;
-moz-box-shadow: inset 2px 2px 5px #444;
box-shadow: inset 2px 2px 5px #555;
}
.related-post {
float: left; position: relative;
width: 108px;
height: 108px;
margin: 0 10px 10px 0;
background: #F6F6F6;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
}
.related-post .related-post-title {
display: none;float: left; background: #00B366;
color: #fff;
text-shadow: none;
font-weight: bold;
padding: 10px;
position: absolute;
top: -20px;
left: 40px;
z-index: 2;
width: 200px;
-webkit-box-shadow: 0 0 2px #444;
-moz-box-shadow: 0 0 2px #444;
box-shadow: 0 0 2px #444;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
}
.related-post:hover .related-post-title {display: block;}

<div id='related-posts'>
<b:if cond='data:blog.pageType == &quot;item&quot;'>
<script type='text/javascript'>//<![CDATA[
var ry='<h3>Related Posts</h3>';rn='<h3>&nbsp;&nbsp;&nbsp;No related post available</h3>';rcomment='comments';rdisable='disable comments';commentYN='no';
var dw='';titles=new Array();titlesNum=0;urls=new Array();timeR=new Array();thumb=new Array();commentsNum=new Array();comments=new Array();function related_results_labels(c){for(var b=0;b<c.feed.entry.length;b++){var d=c.feed.entry[b];titles[titlesNum]=d.title.$t;for(var a=0;a<d.link.length;a++){if('thr$total' in d){commentsNum[titlesNum]=d.thr$total.$t+' '+rcomment}else{commentsNum[titlesNum]=rdisable};if(d.link[a].rel=="alternate"){urls[titlesNum]=d.link[a].href;timeR[titlesNum]=d.published.$t;if('media$thumbnail' in d){thumb[titlesNum]=d.media$thumbnail.url}else{thumb[titlesNum]='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiViuiQChR2HU0R3hdoqRU1dMRV29dr8ZYjoj0pjV3aOiVgpoKoBfuVPQnbVysyfYkcBOA2D7RkejSFklkANYavw2EmoXJsinTlLwx8c7E7LR_mIXxQj4Ose_-DmdrdsG3a8mIogxXLmITM/'};titlesNum++;break}}}}function removeRelatedDuplicates(){var b=new Array(0);c=new Array(0);e=new Array(0);f=new Array(0);g=new Array(0);for(var a=0;a<urls.length;a++){if(!contains(b,urls[a])){b.length+=1;b[b.length-1]=urls[a];c.length+=1;c[c.length-1]=titles[a];e.length+=1;e[e.length-1]=timeR[a];f.length+=1;f[f.length-1]=thumb[a];g.length+=1;g[g.length-1]=commentsNum[a]}}urls=b;titles=c;timeR=e;thumb=f;commentsNum=g}function contains(b,d){for(var c=0;c<b.length;c++){if(b[c]==d){return true}}return false}function printRelatedLabels(a){var y=a.indexOf('?m=0');if(y!=-1){a=a.replace(/\?m=0/g,'')}for(var b=0;b<urls.length;b++){if(urls[b]==a){urls.splice(b,1);titles.splice(b,1);timeR.splice(b,1);thumb.splice(b,1);commentsNum.splice(b,1)}}var c=Math.floor((titles.length-1)*Math.random());var b=0;if(titles.length==0){dw+=rn}else{dw+=ry;dw+='<div class="clear"/></div><ul>';while(b<titles.length&&b<20&&b<maxresults){if(y!=-1){urls[c]=urls[c]+'?m=0'}if(commentYN=='yes'){comments[c]=' - '+commentsNum[c]}else{comments[c]=''};dw+='<div class="related-post"><div class="related-post-title">'+titles[c]+'</div><a href="'+urls[c]+'" rel="nofollow"><img border="0" class="post-thumbnail" alt="'+titles[c]+'" src="'+thumb[c]+'"/></a></div></div>';if(c<titles.length-1){c++}else{c=0}b++}dw+='</ul>'};urls.splice(0,urls.length);titles.splice(0,titles.length);document.getElementById('related-posts').innerHTML=dw};
//]]></script>
<b:loop values='data:post.labels' var='label'>
<script expr:src='&quot;/feeds/posts/default/-/&quot; + data:label.name + &quot;?alt=json-in-script&amp;callback=related_results_labels&quot;' type='text/javascript'/>
</b:loop>
<script type='text/javascript'>var maxresults=5;removeRelatedDuplicates();printRelatedLabels(&#39;<data:post.url/>&#39;);</script>
</b:if>
</div>
<div class='clear'/>

• maxresults=5 adalah jumlah artikel yang anda tapilkan pada Related Post. Silahkan anda tambahi atau kurangi sesuai keingan anda.
• 100px adalah ukuran gambar, baik tinggi maupun lebarnya. Silahkan anda ganti bila anda ingin memperkecil atau memperbesarnya.
• Tulisan Related Post silahkan anda ganti dengan sesuka anda, misalnya jadi Artikel Terkait, atau Mungkin Ini Anda suka" dan lain-lain sesuka anda.
• Bila gagal, coba ulangi lagi perlahan-lahan. Biasanya sih bisa.