Say “cheese,” and that’s often the result: A cheesy, plastered-on fake grin in a photo. Dean Fleischer-Camp, who directs the popular “Marcel the Shell With Shoes On” videos with former “Saturday Night Live” comedian Jenny Slate, pranks his friends by asking them to pose for photos, but taking video of them instead.

• Dean Fleischer Camp
• Zach Galifianakis
• Jenny Slate