Use a movie to introduce your lesson. Show a short clip of a movie, cartoon or TV show that demonstrates the lesson you are about to teach. After the movie, discuss the concepts of the lesson with your students.
Show a movie in the middle of your lesson. After you have introduced the topic of your lesson and discussed it with your students, show a short film clip to demonstrate the idea. Afterwards, continue with lesson activities.
Use a movie to wrap up your lesson. After the lesson activities are finished, you can use a relevant short movie as "down time" for you and your students. It can even be used as a reward, letting your students know that if they finish on time they will get to watch a movie.