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

2.Click on "Expand Widget Templates"

3.Scroll down to where you see this:

<data:post.body/>


Leaves Fall Social Bookmark Icons For Blogger Post

4.Copy below code and paste it immediately after the line <data:post.body/>.

<div style='clear:both; '>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://www.stumbleupon.com/submit?url=&quot; + data:post.url + &quot;&amp;title=&quot; + data:post.title' rel='external nofollow' target='_blank'><img alt='Stumble' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIxNXChvM9-R8I_NJ4NIabnnWU-Y2BPXQjyDMbt5XpEQwRIpY2gkMmzHZ9Uyi-toXadR__jyq5voXHydx5m5Gcj39NFnMt55jFkt2YBmioooBgDVSioGjJ3aI8t_cffDt8WuR2v9UixYRv/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://del.icio.us/post?url=&quot; + data:post.url + &quot;&amp;title=&quot; + data:post.title' rel='external nofollow' target='_blank'><img alt='Delicious' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWgl0Vw0pAvG20JUEb77vvFqvgW1FR4_ArT8559vYRVUnwik41uruzPVmeKSjcRTxEn7YdEmRHto1D_68uwezVrrb0c-K86_-gt0RGIdbcw5Ky5hZczMJwzxeqa83n5hquLcJ8qtydF6if/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://technorati.com/faves?add=&quot; + data:post.url' rel='external nofollow' target='_blank'><img alt='Technorati' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXsAuzSdZxBMfKdyVwFoRZqE8e-zdHf8k5qiMv4I7_YUB5do8BilPLOPVyFezloqHjnz5B2S09KA10BIxaBYnPeebWPEOMeML1g1eCiscqFqXXE71xo60_a5sfZxjpBp3kI5Je20SA46_A/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://twitthis.com/twit?url=&quot; + data:post.url' rel='external nofollow' target='_blank'><img alt='Twitter' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGxElIIIGAnUjquAGVzLduUDYcMq8UMeiIJciMWzO8wnLh87fTW97xXVTUz9TaJyQGukNf0QygWVAYZM3uiYr-Ro3a-R94sebYsZ3GUnLhmzzfne639F8YuGg-u0vQhf4e_hnJdblHIfrb/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://digg.com/submit?phase=2&amp;url=&quot; + data:post.url + &quot;&amp;title=&quot; + data:post.title' rel='nofollow' target='_blank'><img alt='Digg' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXFQ74sI-kf1HCtBZAuFEUoYNQf95i0E6LY7uCfFIVxrcr7YCyFqNsIoE-fxwY7rMR30TsrXw3tPgQzAGjdmSjuo-9zQmvcH4JPIsYk1IV-AgzJRrUUwvekgNI50tAj824PbNmt_4Dc4yW/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://www.facebook.com/sharer.php?u=&quot; + data:post.url + &quot;&amp;t=&quot; + data:post.title' rel='external nofollow' target='_blank'><img alt='Facebook' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiae-E0qvsWbgO7AEm4gXjJRU9OOOe_NooJlnWLZ5BSvDW0f0Y2XGYfmSJminAsvZcdvtMlpmaX81K18aBz4PcOrW5wbbVxL4z7iGDJAuw1attmF4Qyhn-CCOd_QiwMWmNg-2YftGq6w2H7/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='&quot;http://reddit.com/submit?&amp;url=&quot; + data:post.url + &quot;&amp;title=&quot; + data:post.title' rel='nofollow' target='_blank'><img alt='Reddit' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoka_kM1aBwHiPk48svx1buiq39w8Bm2mjUiIrcUb_qKn_AVeYNs6yx91SLTjlVHvWS3vb_ssEQdiOv0_KueGGKzOVlaqSzjIvje-nS13pXwFqIElPjInzgDidVfvjzdKLumH0JiLmpJ09/' style='padding:0;margin:0;border:none;'/></a>
</div>
<div style='width:65px; float:left;'>
<a expr:href='data:blog.homepageUrl + &quot;feeds/posts/default&quot;' rel='external nofollow' target='_blank'><img alt='Feed' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfj7639Tzo3xLh2mk-EMJ-Idkz0gSZ60tAdxCaVyzvEpYXDsl8bjAejBm06bzX8Cw30rAtGR600V-UvwsZira8LRVzGFqa7rjPkMSGD5C48Mz7ocqmdr8ZS3CwNQ-vRXbj0NpCNvh96dLx/' style='padding:0;margin:0;border:none;'/></a>
</div>
</div>


5.Click on "Save Templates" and now you are done.It will look like this.

Demo