I make my own matte vinyl stickers at home. For the vinyl I use koala printable vinyl sheets with tobeelec self adhesive matte laminate sheets. I use a laminator on cold setting to laminate it (after attaching it slightly at the top I just run it through the cold feature)

There is no algorithm, its like tumblr where you had to hunt in the tags to see things and curate your feed by following people.

I feel that, I ended up saving the files that are finished and saving it to a flash drive (both the og file and the png of the art) and then deleting them off of procreate