I created a few LoRAs for the purposes of generating consistent peen when generating a character from one generation to another when I am using a Flux base model. There's plenty of great penis LoRAs and checkpoints that can now generate a realistic male genitals but when I've encountered is that you'll get a mixture when generating them - not a problem is you're going to create just one image, but it gets harder, heh, to create character consistency with genitals if the character LoRA depends on a general penis LoRA or checkpoint to generate his undercarriage.

So, I created a few to help me with that I thought might be of some use to the community. I created these from close-ups with multiple angles, arousal states, and scenarios. The result is that you should be able to stack this with a character based LoRA or on its own in either a txt2img or img2img inpaint generation.

The caveat being that the BBC based ones will tend to darken the skin tone of the character if you're not intending it to be used on a darker skinned character. You can adjust for this by either lowering the strength value and/or going in with a inpaint correction pass.

There's a few I'm publishing here :

1) circumcised with a prominent vein down the top and low-hangers

2) uncircumcised and veiny with tight balls

3) circumcised BBC with bent curve and wrinkly sack

4) circumcised BBC with smooth skin and low hanging balls

5) uncut smooth skin, tight balled bwc (Pony)

or

6) Strap on your "Build-a-Cock" apron and mix n' match your prick picks with varied strengths create your own combo.

If you don't like the size, angle or arousal state on first generation, then just inpaint with different seed numbers and it'll eventually get there.