This is a simple workflow for Flux designed to fit perfectly on the screen.
Notable nodes are the 'Power LoRA loader' - for easy and efficient integration for multiple LoRAs and the 'Image Comparator', allowing to compare the initial generated image and the upscaled version to be compared with a slide. Additionally you can enable the 'Ultimate Upscaler' for proper upscaling by any amount of times (1.5x, 2x, 4x, ...)
