Inspired by the fun stuff @kftiger is so good at, I attempted to try it out myself.
The intent was to create those bowling pin shaped punching bags we had as kids. But it seems to make all shapes and varieties of vinyl inflatable figures. Or may that's just FLUX filling in the gaps.
Trigger word is bopbuddy
Responds well to the following types of prompts at a strength of 0.8 - 1:
An inflatable toy bopbuddy that resembles a [SUBJECT/OBJECT] in a [SETTING/SITUATION]A pin shaped inflatable toy bopbuddy that resembles a [SUBJECT/OBJECT]That "pin" shape is sometimes elusive but if you use 'bowling pin' you will get a bowling pin. It's really good at those. Other shapes seem to be influenced a lot by other terms in the prompt. Like the Deadpool life preserver, I wanted it to float in a pool and it gave me a pool floatie.