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1. Log in to your blogger Dashboard.
2. Go to Template> Edit HTML and hit Proceed.
3. Press Ctrl+f and put <head> in the search box. When you find <head> in your template, copy the following lines and paste it just before the <head> tag.
<script type="text/javascript">var switchTo5x=true;</script>
<script type="text/javascript" src="http://w.sharethis.com/button/buttons.js"></script>
<script type="text/javascript">stLight.options({publisher: "f68cf65b-e48d-44e4-9a9d-73dc0722cfb9", doNotHash: false, doNotCopy: false, hashAddressBar: true});</script>
4. Now search for data:post.body tag. There will be more than one such tag. Find the first one and copy the following code and paste it above the <data:post.body/> tag. If you want the sharing icons display at the end of the post, paste the code you copied after the tag.
<span class='st_sharethis_vcount' displayText='ShareThis'></span>
<span class='st_facebook_vcount' displayText='Facebook'></span>
<span class='st_twitter_vcount' displayText='Tweet'></span>
<span class='st_linkedin_vcount' displayText='LinkedIn'></span>
<span class='st_pinterest_vcount' displayText='Pinterest'></span>
<span class='st_email_vcount' displayText='Email'></span>
5. Now Click 'Save' to save your Template. You are done. You should see the sharing icons in your blog post as shown below. Enjoy blogging!!