Drag the slider until you reach the best quality. Watch in full-screen mode to notice more changes with my enhancement.
Now we can insert photos into Scratch without losing quality. However, to achieve this, we need to split the photo into several parts. Specifically, in this project, I divided the photo into 4 parts (2x2), and then into 9 parts (3x3). Photo source: https://www.pexels.com/ Photo splitting tool: https://postcron.com/image-splitter