Yes, I just mean that you can't use the msgbox when a image is shown. That's really not good. if you take a look at the VRAM viewer, you will also see that the number of blocks you can use is very limited as there lies textboxes, texts, etc. To avoid many problems and to take full use of the 4 BGs, it will be better to quit the overworld system. You can browse the codes in the repo here: https://github.com/jiangzhengwenjz/EV-IV-Screen/tree/c1b303e17788f21e1a663204f9db59ffdcfc2a2d