Kneel for PS's free material website, preferably with source psd.

Material websites need money. Generally, you can download pexels from Qiantu. You can filter by search or color. Pixabay supports Chinese search, a good material website, a photo library, and works of scenes in the visual pursuit of life of UNsplash. Find a photo. Nail it. Cupcakes. These are all good material websites. Take advantage of them.