These are a few of the posts I've done that include videos. Some are YouTube videos that I created years ago. More recently, I'm hosting my videos at Forever and you can find the links below.
my take on using template previews
You can always find the most recent How-to's in my Quick How-To's Album at Forever:
https://www.forever.com/app/users/debrodriguez/albums/how-tos/bympbxpn8n3kq3i7phhe7ouy0