Dive into an in-depth 58-minute tutorial on optimizing Stable Diffusion images using FreeU hyperparameters. Explore the ComfyRoll custom nodes and ComfyUI API to conduct grid searches for ideal b1, b2, s1, and s2 parameters. Learn to fine-tune SDXL, integrate LCM LoRA, and work with SDXL Turbo. Follow along as the process of debugging grid errors, analyzing dynamic values, and comparing results is demonstrated. Gain insights into handling asynchronous API calls, extracting LoRAs, and setting up efficient workflows. By the end, acquire the skills to significantly enhance image quality across various Stable Diffusion models and configurations.