In your Blogger dashboard, go to Layout>Edit HTML and check the “Expand widget templates” box.
Then search for this line:
Directly beneath this line, add one or more of the following sections of code:
Add your post to Digg:
Bookmark with Del.icio.us:
Stumble this page (Stumbleupon):
If you prefer to add these links side by side, simply add a space between each of these links. To have each link appear on a separate line, add a line break (
) between each link.
source:bloggingtips
