Haven't you wondered how those facebook comment boxes appear on your friends blogs?
Well here's how:
you first have to go to: Facebook Developer > Core Concepts > Social Plugins > Comments
or click facebook pluginyou should see
change http://example.com and put your blogger URL.
just change the color scheme depending on your blog template if its light or dark.
click on get code and you shuold see this:
copy everything on both boxes and in your blogger dashboard click on
Layout > Add Gadget > HTML/Javascript
paste the code that you copied so you should get this:
click save and you're all set.