No matter which camp you fall into there is, however, no excuse for lack of creativity in these days of memes and powerpoint. Depending on what two tonalities you choose, it can be subtle or very powerful. This could work really well with a history-themed presentation or anything to do with recuperating old traditions.
Perhaps you just cannot be arsed anymore. The theme and topic of your presentation will help you decide if you need a clip from a blockbuster movie or a quick representation of the process of your systems.
You can either use them to separate ideas inside your presentation or to start new sections of information. Bored Panda has put together a list of people who have tried and sometimes failed to do just that.
Not your original work? You can find out how to do it in our free guide to creating captivating presentations. Choosing to include a GIF in your presentation slide or a few different GIFs will depend on what message you want to send with your story.
This technique could look really crafty or quite elegant if done well. Humor can make you look like a stronger leader if you do it right.
Colin Stokes uses this to his advantage in his TED talk.