My system to make thumbnails in 30 seconds

We all know thumbnails are important. If no one clicks on your video,  then no one will ever learn anything from it, and why even make it? So don't go with the default option. But you also can't spend hours making the perfect thumbnail. So what do you do?

I've described before the importance of building a system around any of your activities to be more efficient. So in this video, I'm going to show you the system I've built around making thumbnails in 30 seconds.