But first you should have inline comment form in your blogger (i.e embed comment form below bloggger posts) If you have it then its ok . Continue reading this post otherwise first install it by visiting this post.
Now How To Install It.
LAYOUT > EDIT HTML > EXPAND WIDGETS
Search (ctrl+F) for below codes:-
<p class='comment-footer'>
<b:if cond='data:post.embedCommentForm'>
<b:include data='post' name='comment-form'/>
<b:else/>
<b:if cond='data:post.allowComments'>
<h3><a expr:href='data:post.addCommentUrl'
expr:onclick='data:post.addCommentOnclick'>
<data:postCommentMsg/></a></h3>
</b:if>
</b:if>
</p>
</b:if>
Replace the above codes with below one:-
<p class='comment-footer'>
<b:if cond='data:post.embedCommentForm'>
<div style='-moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; width: 369; text-align: left; border: 1px solid #cccccc; padding: 5px; background: #eeeddf; height:86'>
<b>
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/21.gif' width='18'/> :))
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/71.gif' width='18'/> ;))
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/5.gif' width='18'/> ;;)
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/4.gif' width='18'/> :D
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/3.gif' width='18'/> ;)
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/10.gif' width='18'/> :p
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/20.gif' width='22'/> :((
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/1.gif' width='18'/> :)
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/2.gif' width='18'/> :(
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/8.gif' width='18'/> :X
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/12.gif' width='18'/> =((
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/13.gif' width='18'/> :-o
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/7.gif' width='20'/> :-/
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/11.gif' width='18'/> :-*
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/22.gif' width='18'/> :|
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/35.gif' width='24'/> 8-}
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/100.gif' width='31'/> :)]
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/102.gif' width='44'/> ~x(
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/104.gif' width='30'/> :-t
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/66.gif' width='18'/> b-(
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/62.gif' width='18'/> :-L
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/14.gif' width='34'/> x(
<img border='0' height='18' src='http://us.i1.yimg.com/us.yimg.com/i/mesg/emoticons7/24.gif' width='30'/> =))
</b>
</div>
<b:include data='post' name='comment-form'/>
<b:else/>
<b:if cond='data:post.allowComments'>
<a expr:href='data:post.addCommentUrl' expr:onclick='data:post.addCommentOnclick'><data:postCommentMsg/></a>
</b:if>
</b:if>
</p>
</b:if>
PREVIEW IF NO ERRORS SAVE IT NOW !
Now first download the .js file from here http://bandofgirls.googlepages.com/smiley.js and upload to your server.
Now find the tag </body>
and place this script before it.
<script src='http://Your-script-url' type='text/javascript'/>
Change the above url with your link where you uploaded the .js file.
It is how it looks
Now Use the codes you use in yahoo between comments to show them. If forget codes see them from above..