Here are some of the files I've saved, along with where I found them, in case you're interested! They would be great for all kinds of things, too, not just scrapbooking.
This is from This Kalil Life - she's making a free printable each week this year.
These are part of the 60 free journaling cards from Miss Tiina.
These great ones were found on My Sister's Suitcase.
Let's Talk cards from Scrap Tales.
I just printed off six pages from Creativity Prompt - there are lots there to choose from.