<div>section, paste the following code snippet. It's been retrieved from WikiHow, but has been edited by me to make it work for the current blogger version.
Saturday, November 13, 2010
Facebook 'like' button on blogger
Since I was having fun on blogger for a while, I searched for a tip to add the facebook "like" to blogger posts. The point is to insert this html snippet under "design > edit html". Be sure to check the "Expand Widget Templates" checkbox, then search with ctrl+f in your browser to find the section of code responsible for "post-footer". Just type that in the search. Once you have decided where to put it within the post-footer