Hi @georgiaverissimmo!
I agree with @veronikalipar - Creating your own images is really preferred by Pinterest overall.
Also, I will share this with you, too -- Almost every Pinterest account I've ever seen analytics for has a some stand-out pins that get a lot of the impressions and other results... and many others that don't perform as well - or get that same high level of distribution and engagement. That's a pretty normal here.
So my recommendation is to learn what your audience wants and needs, pin consistently, and follow Pinterest's best practices. Doing this is a good path to creating *some* pins - over time - that give you great results!
