120 Free Presets for FPC on the Image-Line Website including all samples! I just found this and I'm pretty hyped, it's free for anyone with Producer Edition and above. I use FPC
Introducing FLkey Mini & FLkey 37 | Novation
How to Import Sounds Into FPC and Build Your Own Presets – Mark Mosher
Big Sur and the Final Cut Pro Content v1.0 Update – 512 Pixels