When there are no comments posted the link says.Be the First to comment!and when there is just one comment it says 1 comment so far.This is a nice hack that will make your blog look beautiful and professional.
Let's start adding the codes.
Step 1. Go to Blogger Dashboard > Edit HTML (for safety, backup your template)
Step 2. Check the "Expand widgets templates" box
Step 3. Search for this code:
<div class='post-header-line-1'>
If you can't find it, look for this one:
<div class='post-header'>
Step 4. Paste the following code below/after the code above:
<font style='background:transparent url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhegMx5T_g1VWZ923NJo9jlwW2-CFqbiinUyq0vHHw8o-xJiQBmY_Wtb3IrPlOXWfnDd08c89dX8GZSKr-61MU5Q6YREQPZtwVyTP8TXSlUCJb7hyR9n3cdTahA5MQ7nZQFB-_FFxMFTKQ9/s1600/author.gif) no-repeat scroll top left;padding-left:25px;font-size:11px;'><data:post.author/></font> | <font style='background:transparent url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhA3SGrgE8hM6LG7e3ptrheJ3Y0qXcZyaBuXCuIRDLOKI-ef91hvDJz9ES8KKLLctvqMzriMU41gGm-zcm_4XCvOMORAoLqqaXBpW8Tp-vDLsm0SNTLuSj7LRaWQg06JZHuookyWoLDPQ3n/s1600/clock_icon.gif) no-repeat scroll top left;padding-left:25px;font-size:11px;'><data:post.timestamp/></font> | <font style='background:transparent url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7HYzUG8sJ-TDic1xupEf1L6yNoYWRE4tZdwlALxOKSdum41i8mL8LmtKu7POYJqEHIfkSSx7kzmIF8q36NwkDMgU8axZE4imRd_F5gOHFvYiQRQ-tAKRGLAQVDfqnaR-GoubhfjVFsLDT/s1600/tag+icon.gif) no-repeat scroll top left;padding-left:25px;font-size:11px;'><b:if cond='data:post.labels'>
<b:loop values='data:post.labels' var='label'>
<a expr:href='data:label.url + "?max-results=8"' rel='tag'><data:label.name/></a>
<b:if cond='data:label.isLast != "true"'>|</b:if>
</b:loop>
</b:if></font>
<span class='post-comment-link' style='Float:right;'>
<b:if cond='data:blog.pageType != "item"'>
<b:if cond='data:post.allowComments'>
<a class='comment-link' expr:href='data:post.addCommentUrl' expr:onclick='data:post.addCommentOnclick' style='background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwK2lSc2xxfns0y6nWQevPiyeb2YhDTW4QfkcfoAMjI5r7dZ4FXhhb68bdgncxAQ97uDeHeJ-JMGFiuaAbPg-dXxNJR8LEbmUnYV7pnCzuYpIGmpTiG7fkJBZr8ewg4a0lq5oh4OHq5vQE/s1600/comment-icon.png) no-repeat;Padding-left:20px;'><b:if cond='data:post.numComments == 0'>Be the first to comment!<b:else/> <b:if cond='data:post.numComments == 1'><data:post.numComments/> Comment so far<b:else/><data:post.numComments/> Comments so far</b:if> </b:if></a>
</b:if>
</b:if>
</span>
Details that can be customized:
Replace the code in:
Red (Author)
Green (Date)
Blue (Labels)
Violet (Comment bubble)
... with the URL address of your image.
Step 5. Save template... and you're done!