Certainly, it will be more interesting with the emoticon.
Examples like the one below and you can also try yourself previewing the emoticons - test blog.
Guide to place the emoticon icon in the comments are as follows.
1. From the dashboard > design > edit HTML > Expand widget templates.
2. Backup template (download full template) you as a precaution. (More info)
3. Using the find function (ctrl + F) looking for </ body> and put the code below before the </ body>
<script src='https://sites.google.com/site/unwanted86/javascript/emotionicon.js' type='text/javascript'/>example:
4. Using the find function (ctrl + F), looking <b:if cond='data:post.embedCommentForm'> and put the code below after the code <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'>example:
<b>To Use A Smiley In Your Comment, Simply Add The Characters Beside Your Choosen Smiley To The Comment:
<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'/> =)) <a href='http://ietchankun.blogspot.com/2011/06/tutorialhow-to-put-emotion-icon-in.html'target="_blank"><small>Grab tutorial here</small></a>
</b>
</div>
5. Save and view your results in the comment section. Good Luck.
Source: unwanted