Resources used: (bare in mind that I do quite a lot of editing on pictures so you might not get quite the same results)

Photoshop
Stable Diffusion Forge
Model:  novaFurryXL_illustriousV8b

Referecne Picture (Shadow in machine): 

Steps: 40, Sampler: Euler a, Schedule type: Automatic, CFG scale: 7, Seed: 2901420261, Size: 1024x1024, Model hash: 0cf76a2e79, Model: novaFurryXL_illustriousV8b, Denoising strength: 0.3, Clip skip: 2, Mask blur: 4, Inpaint area: Only masked, Masked area padding: 32, Lora hashes: "Vore__Head_first: c362c6dec5af, StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", Version: f2.0.1v1.10.1-previous-664-gd557aef9

Positive: 
<lora:Vore__Head_first:0.9>, smooth anime style, masterpiece, best quality, amazing quality, male, bedroom, night, male, tiger, penis, balls, yellow eyes, furry art, being eaten, same size, vore_head_first, cum in ass, rump, <lora:StS-Illustrious-Detail-Slider-v1.0:1>
<lora:Vore__Head_first:0.9>, smooth anime style, masterpiece, best quality, amazing quality, male, bedroom, night, male, lion, eating tiger, ejaculating, cum, same size, neck bulge, <lora:StS-Illustrious-Detail-Slider-v1.0:1>

Negative: 
realism, 3D,busty, ugly face, mutated hands, low res, blurry face, black and white, text, human, watermark, chubby, pubic hair, eyelashes, tears, piercing, lips, shoes , socks, eyelashes, plate, plates, ((((Female)))), ((breasts)), eye lashes, on car, eyelashes, feminine, shirt, bra, finger nails, closed eyes, knot,