So, i noticed in platform.ini that there is support for CD box cases for MSU1 SNES games. I went ahead and set that up, made a copy of the SNES9xGX plugin. So SUPERNES_MSU1 links with the SUPERNES database but has "cd_case" as its flow type. I also made sure the ROMs directory for the MSU1 plugin was separate from my SNES ROMs, and then went ahead and added both plugins to the SNES coverflow button.
I'm realizing something weird happens when i did this: instead of showing both SNES and CD jewel cases alongside each other, it defaulted to some other box format and moreoever, isn't pulling the background image from SUPERNES, likely because of the conflict. I suspect it's trying to find a SUPERNES_MSU1.png as well as SUPERNES.png, and... even though one of those doesn't exist, it's defaulting to just the basic background with no "SNES" logo in the upper left.
Is there any way to combine coverflow box styles at all?
The "Combined" Coverflow (no console-specific background, and coverflow looks BAD for both SNES and MSU1 games)
MSU1 Plugin by itself (Doesn't have its own background, but coverflow looks correct)
SNES Plugin by itself (proper background)