This Anthro head Flux can add heads to your character of modify different creatures.

I used this also in creating some of the pictures here in this Lora.

Angels in the Light Flux - Angels in the Light Flux | Flux LoRA | Civitai

The full body shots I used my model my Lora here:

Full body shot Flux - Full body shot Flux 2 | Flux LoRA | Civitai

Will even do desktop picture pretty good, some hits and misses.

Name your head of a creature is all you need for the trigger.