How To Add Posted By Line Below Post Title

1.Log in to your dashboard--> layout- -> Edit HTML

2.Click on "Expand Widget Templates"

3.Scroll down to where you see this:

<span class='post-author'> <b:if cond='data:top.showAuthor'> <data:top.authorLabel/> <data:post.author/> </b:if> </span>

4.CUT above code and paste it in the same blog widget below this line :

<div class='post-body'>

5.Click on "Save Templates" and refresh your site.