U-NET is always trained.
All images are 1024x1024 so download full sizes. Each grid image full size are 9216x4286 pixels.
Public tutorial hopefully coming very soon to SECourses (https://www.youtube.com/SECourses). I am still experimenting to find best possible workflow and hyper parameters.
I made a short tutorial for how to use currently shared config files : https://youtu.be/EEV8RPohsbw
PNG info shared in captions of images
For full size images with alt tags please check this reddit thread: https://www.reddit.com/r/StableDiffusion/comments/173qn0b/huge_stable_diffusion_xl_sdxl_text_encoder_on_vs/