How Do I Put The Related Posts Section on my Blog?

Hi,

There are some basic steps to install the related post for blogger / BlogSpot:

Step 1:
On your blogger dashboard, Click Layout -> Edit HTML -> Expand Widget Templates.

Step 2:
Find this code below.

<data:post.body/>

Step 3:
Copy this code below, and paste right after the code <data:post.body/>.

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

<div class='widget-content'>
<h3>Related Posts by Categories</h3>
<div id='data2007'/><br/><br/>
<div id='hoctro'>
Widget by <u><a href='http://hoctro.blogspot.com'>Hoctro</a></u> | <u><a href='http://www.jackbook.com/' title='Related Posts on Blogger Modified by JackBook.Com. Read More?'>Jack Book</a></u> | <u><a href='http://djyano.blogspot.com'>The-Online-Quest</a></u>
</div>
<script type='text/javascript'>

var homeUrl3 = "<data:blog.homepageUrl/>";
var maxNumberOfPostsPerLabel = 4;
var maxNumberOfLabels = 10;
maxNumberOfPostsPerLabel = 100;
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;
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('data2007').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 == 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>
</div>
</b:if>
Example :
<data:post.body/>
Related Posts Code Here

Step 4:

Save your template. Refresh your blog, and done.

I found this help from across the link:
http://djyano.blogspot.com/2008/06/how-put-related-post-on-blogger.html

If you feel any problem to deploy it then visit on above link.