How To: get a RSS feed from BlogSpot filtered by a Tag
by default Blogspot offers Atom feeds, which can not be digested by some systems (like our Community Server)
but there is help! try this syntax :
http://yourfantasticblog.blogspot.com/feeds/posts/default/-/TheTag?alt=rss
i put this here so I don't have to remember it next time I need it 