Step 1: Login into Blogger Account and Go to Blogger
Dashboard.
Step 2: Go to Blogger Template at the left panel and Click
on Edit HTML Link as shown in below picture.
Step 3: Find below code with the help of CTRL + F
</head>
Step 4: Copy and Paste below code above “</head>:”
<script
type='text/javascript'>
var thumbnail_mode =
"no-float" ;
summary_noimg = 400; /* Summary length if no image*/
summary_img = 300; /* Summary
length with image*/
img_thumb_height = 200; /*Image
Height*/
img_thumb_width = 200; /*Image
Width*/
</script>
<script type='text/javascript'
src='http://netoopscodes.googlecode.com/svn/branches/Js%20files/auto-readmore-blogger.js'
></script>
Step 5: Now search below code:
<data:post.body/>
Step 6: Replace below code with this:
<b:if cond='data:blog.pageType ==
"item"'>
<data:post.body/>
<b:else/>
<b:if cond='data:blog.pageType
== "static_page"'>
<data:post.body/>
<b:else/>
<div
expr:id='"summary" + data:post.id'>
<data:post.body/>
</div>
<script
type='text/javascript'>
createSummaryAndThumb("summary<data:post.id/>");
</script>
<div style='clear: both;'/>
<span class='rmlink'
style='font-weight:bold;padding:5px;float:right;text-align:right;'><a
expr:href='data:post.url' >Read more...</a></span><a
href="http://www.haakblog.com" title="Blogger
Tutorial"><img
src="http://img1.blogblog.com/img/blank.gif" alt="Blogger
Tutorial"/></a>
</b:if>
</b:if>
Step 7: Click on Save Button.