Hi there! Sometimes I use FM8 for sidechaining effect, with a weird flavor. Process the left and right channels separately.
And in general I like fm morphing, I throw it on different things and use it in different ways. For example, I'll push percussion into the mix this way:
I like unexpected results, many presets in fm8, they can be combined dynamically, and use the input signal in different ways. It can be inspiring. 😀