Upload Reference Image: Upload the image whose style you want Midjourney to learn through the interface.
Add Parameter: Add the --sref parameter and the image URL to your prompt.
Multiple Style Reference: You can include multiple image URLs separated by spaces, for example: --sref urlA urlB urlC.
Adjust Style Reference Intensity: Use the --sw (style weight) parameter to adjust the style intensity, ranging from 0 to 1000, with a default value of 100.
Adjust Weights of Different Images: Add double colons and a value after the image URL to adjust the weight, such as: --sref urlA::2 urlB::3 urlC::5.