Good afternoon :)
I have just published a video showing how to make these cards with SCRAPBOOK.COMs Scalloped Heart dies. It's a cute little set of 2 dies which has a lot more uses that meets the eye. You could , of course, use it to make Valentine's Day cards too!
You can buy the dies here
Scalloped Heart DIY
You can see the full video here -
Thanks so much for looking