How to put a image in the background on the screen

I want to make the .png image the background of the screen like the above third insert image.

What is the first step?

If this is possible, I'd appreciate it if you could tell me about it in detail.

I also have attached my .oml file just in case.

If you have any questions, just feel free to ask me!

I look forword to your reply!

Best Regards, 


Hi Tsubasa,

You can use the following Forge component to achieve this: