Now how to change these links with icons is very easy.
These are the links below pointed by arrows to be get replaced in picture which i was talking about
1. Log in to Blogger
2. Go to Layout -> Edit HTML -> Click on "Expand Widget Templates"
3. Now search (CTRL+F) for this code in the template code:
<b:includable id='nextprev'>Find the code in red lines and replace them with lines in green following each red line-
<div class='blog-pager' id='blog-pager'>
<b:if cond='data:newerPageUrl'>
<span id='blog-pager-newer-link'>
<a class='blog-pager-newer-link' expr:href='data:newerPageUrl' expr:id='data:widget.instanceId + "_blog-pager-newer-link"' expr:title='data:newerPageTitle'><data:newerPageTitle/></a>
</span>
</b:if>
<b:if cond='data:olderPageUrl'>
<span id='blog-pager-older-link'>
<a class='blog-pager-older-link' expr:href='data:olderPageUrl' expr:id='data:widget.instanceId + "_blog-pager-older-link"' expr:title='data:olderPageTitle'><data:olderPageTitle/></a>
</span>
</b:if>
<b:if cond='data:blog.homepageUrl != data:blog.url'>
<a class='home-link' expr:href='data:blog.homepageUrl'><data:homeMsg/></a>
<b:else/>
<b:if cond='data:newerPageUrl'>
<a class='home-link' expr:href='data:blog.homepageUrl'><data:homeMsg/></a>
</b:if>
</b:if>
</div>
<div class='clear'/>
</b:includable>
.
<data:newerPageTitle/>
Replace with
<img src='http://bandofgirls.googlepages.com/Newer_post_icon.png'/>
<data:olderPageTitle/>
Replace with
<img src='http://bandofgirls.googlepages.com/older_post_icon.png'/>
<data:homeMsg/>
Replace with
<img src='http://bandofgirls.googlepages.com/home_icon.png'/>
Please Host these images to your hosting image service and change these urls with yours as they may exceed bandwidth.
Now preview it . If its Ok
You can save your template.
How the links will appear after changing these codes -