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TRAINING INFO
Trained on 17 photos (face only)
Trained at 768 resolution, so 768x768 inpainting works great.
RECOMMENDED SETTINGS
The training images used were cropped in from shitty early 2000's dslr's, so image quality wasn't great. I recommend using 'restore faces' but in your auto1111 settings, lower the restore faces strength to something like 0.7-0.8 which makes the effect less than the default setting of 0.5.
For txt2img, a weight of 0.7-0.9 will give a little more flexibility, but 1.0 isn't bad. A weight of 1.0 works really well for inpainting.
GETTING THE BEST LIKENESS WITH LORA'S
The checkpoint you use can heavily influence the likeness of a celebrity Lora. I train my Lora's on SD15, so you'll get the best likeness on any model that used SD15 as the base model. See this example for how a checkpoint can influence the look of a Lora.