Facebook Social Plugins: Like Button

  The Facebook Like Button lets users share pages from your site back to their Facebook Profile with one click. For example:

Facebook Like Button

The Like button lets a user share your content with friends on Facebook. When the user clicks the Like Button on your site, a story appears in the user's friends' News with a link back to your website. For example:

A story appear in the Facebook when user clicks the Like Button.

Follow the steps bellow to embed Like Button to your blog.

Step 1: 

Go to Layout

Go to layout of the blog.

Step 2:

Add Gadget

Click "Add Gadget" and select "HTML/ JavaScript".

Step 3:

Facebook page for the code generator of Like Button

Go to the following address http://developers.facebook.com/docs/reference/plugins/like/ and enter the URL of your blog (You also can leave it empty. But it might affect the SEO of your blog.). Then click the button "Get Code".

Step 4:

Code generated by Facebook

After you click the "Get Code" button, Facebook will generated the code as show as above. First part is JavaScript SDK and second part is code used to the Like Button in your blog.

Step 5:

Paste first part of code to Content

Leave the title empty. Copy the first part of the code and paste it in the "Content" and click "Save"

Step 6:

Add second part of code

Click "Add Gadget" from layout again and select "HTML/ JavaScript". In the title textbox, enter "Facebook" and copy and paste second part of code to the "Content". Then click "Save"

Step 7:

Like Button

  Go back to your blog. Facebook Like Button should appear in your blog....^^