The Messing with the MacGuffin assignment through ds106 was a lot of fun. Short and simple. I used a list of 50 top movie one-liners to help get my memory going. This could easily be applied to a K-12 classroom as well. Students could easily change one main line in a story and describe the direction that the story will take with the new line of dialogue. Tim Owens has created a perfect example using Harry Potter, http://www.timmmmyboy.com/2011/09/sorting-hat/.
My dialogue change is from Dr. No, the first James Bond movie. It is the first place that we were introduced to “Bond, James Bond”. I am pretty sure his name helped build his image.
Here is the actual clip from YouTube: