what do they mean when they tell you to comment about someone's religous imagination?
This covers a broad spectrum of ideas -- from superstition to imaginative ways of practicing conventional religion to thinking about religion creatively.
This Google search produced a variety of articles on this subject.
http://www.google.com/search?hl=en&rlz=1G1GGLQ_ENUS312&ie=UTF-8&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=religious+imagination&spell=1