Go wide on this one, give that landing pad room to breathe. ??0x512 should suffice

Str is pretty open, 0.6 to 1, depends on how hard you want to go. I think 0.7 is good.

Trained on mostly profile shots, because whats the point otherwise?

==========================Illustrious=====================

Since illustrious is sdxl base, it's much more flexible, and not at the same time

gown, ruched fabric, shiny satin, bustle skirt, frills, ribbons, bows

ballgown, fine fabric emphasis, corset

obviously things prompted on the back have an effect on the "bustle-yness" of the back, so keep that in mind

===========================SD15=======================

However if you're looking for a compromise to facing viewer, and using A1111, you can use prompt editing

[profile::1], [profile::2] or [profile::3] combined with (looking at viewer, facing viewer) seems to work best. With comfy I think it's { instead of [ , not sure. Just be warned when you do this it becomes less "bustle-y"

Please show me what you make. This empowers my Ted Talks