How to Add Twitter to Blogger Blog

To add the button to the widget section of your BlogSpot blogs i.e. Sidebars, below or above Post body, header etc. then do this
  1. Go to Blogger > Design
  2. Choose HTML/Javascript Widget
  3. Paste the following code inside it and drag the widget to add your button to any location you want       
  4. Login to Blogger Dashboard > Design Tab > Page Elements
  5. click Add a Gadget on Sidebar
  6. Choose HTML/JavaScript, Paste the Copied code and Save it!
     Find for <data:post.body/> tag
    Paste the Coppied Code Before or After it! and Save your Template.

    if you put the code Before <data:post.body/> tag then it will appear at the top of the post

    if you put the code After <data:post.body/> tag then it will appear at the Bottom of the post