AI-generated textures often have the same problem as stock ones — they lack individuality. If you want to use textures that appear specially crafted for your projects, you need to invest time in adding more character and individuality to them. This could be anything that fits the theme of your project.
Prompt: Colorful mold with petrol puddle. Realistic top down photo of surface texture. --ar 16:9 --v 6.0 --no blur, perspective --s 250
Additionally, you can specify color limitations at the end of the prompt. Alternatively, use the 'vary' option to include mockups. The pack includes some examples.