How to add auto read more with thumbnails Blogger

This Automatic Read More script will summarize content and a post summary will be shown only on the main blog page (Homepage) category pages, and archive pages.


  Using the Automatic Read More feature in Blogger Posts
1. First go to your blogger and log in with your user name and password
2. Now locate this options "Dashboard > Template > Edit HTML" then click on Format Template
3.  Press "CTRL+F" from keyboard layout and type this code  <data:post.body/> and find it there in             HTML box
4. Now replace the above code with below code

<b:if cond='data:blog.pageType != &quot;item&quot;'>
<b:if cond='data:blog.pageType != &quot;static_page&quot;'>
<div expr:id='&quot;summary&quot; + data:post.id'><data:post.body/></div>
  <script type='text/javascript'>createSummaryAndThumb(&quot;summary<data:post.id/>&quot;);</script>
<span class='readmore' style='float:right'><a expr:href='data:post.url'>Read More &#187;</a></span></b:if></b:if>
<b:if cond='data:blog.pageType == &quot;item&quot;'><data:post.body/></b:if>
<b:if cond='data:blog.pageType == &quot;static_page&quot;'><data:post.body/></b:if>

5. Now search for the following tag
    </head>
6. Just above the </head> tag add the following code

<script type='text/javascript'>
posts_no_thumb_sum = 490;
posts_thumb_sum = 400;
img_thumb_height = 120;
img_thumb_width = 120;
</script>
<script type='text/javascript'>
//<![CDATA[
function removeHtmlTag(strx,chop){
if(strx.indexOf("<")!=-1)
{
var s = strx.split("<");
for(var i=0;i<s.length;i++){
if(s[i].indexOf(">")!=-1){
s[i] = s[i].substring(s[i].indexOf(">")+1,s[i].length);
}
}
strx = s.join("");
}
chop = (chop < strx.length-1) ? chop : strx.length-2;
while(strx.charAt(chop-1)!=' ' && strx.indexOf(' ',chop)!=-1) chop++;
strx = strx.substring(0,chop-1);
return strx+'...';
}
function createSummaryAndThumb(pID){
var div = document.getElementById(pID);
var imgtag = "";
var img = div.getElementsByTagName("img");
var summ = posts_no_thumb_sum;
if(img.length>=1) {
imgtag = '<span class="posts-thumb" style="float:left; margin-right: 5px;"><img src="'+img[0].src+'" width="'+img_thumb_width+'px" height="'+img_thumb_height+'px"/></span>';
summ = posts_thumb_sum;
}
var summary = imgtag + '<div>' + removeHtmlTag(div.innerHTML,summ) + '</div>';
div.innerHTML = summary;
}
//]]>
</script>

Note: you can modify above the blue code number 490, 400, 120 or 120 whatever you have choosed.