It's free and Online! https://www.alpacaml.com
100 images free /days... i use quasi all in free! ;)
Very easy! :)

I have a little page about it! :)
https://moiscript.weebly.com/alpaca.html

They have also a free classical 2D prog (local) but you can yet make quasi anything you want with the above! :)
https://firealpaca.com/

Moi's Tuto = 20 second
each Image = 5 seconds!
yes it's magical! ;)