The NPR multimedia presentation on "The Art of Translation" might inform and engage the class in Marlowe's work, helping to understand the work of a translator: http://www.npr.org/templates/story/story.php?storyId=97002969
Biography.com has an interesting and interactive biographical presentation on Marlowe: http://www.biography.com/people/christopher-marlowe-9399572.
Students can also explore a presentation that places Marlowe in Elizabethan society: http://www.elizabethan-era.org.uk/christopher-marlowe.htm
The Kennedy Center has a video detailing theories on the relationship between Marlowe and Shakespeare: https://www.youtube.com/watch?v=QTM0wW2SNlU