Here are three simple fills to get you started on your journey in jazz or alternatively, a way to add to your existing jazz vocabulary.
The concept here is based on the "leading Hand" approach to playing fills. Here's more on the subject:
https://www.youtube.com/watch?v=S5UfV-waEYk&t=469s&ab_channel=DarrynFarrugia
Here's the link to download the accompanying PDF:
https://www.darrynfarrugia.com/product-page/three-simple-jazz-fills-pdf-download