What does it mean “burn my post feed”? How can I burn it? It sounds like trouble! I need to find out how to avoid getting into it.
Well, I did get into trouble. To have the widget I spent 4 hours clicking here and there. I finally got it!!
I placed a link at the sidebar with a tutorial to learn how to burn a feed using FeedBurner, it is called FeedBurner demo. It will be useful to remember how to do it and it may be useful to somebody else who wants to burn feeds.