Hi @wellenpeter
It would help if you could define what you mean by fluff and objects, or even better, show us (screen capture) of what they are.
Also, how long are they present on the screen? Are these objets present for long periods of time (multiple seconds or minutes). or just appear in a few consecutive frames.
Shotcut isn’t the best tool to use to remove a person (for example) from a scene.
But in some cases, using the Spot Remover filter (with keyframes, if needed) can do the trick.
Here’s a quick example:
@Elusien posted this tutorial a couple of years ago on how to use the Spot Remover filter.