No rush, but seems like the white and red bathroom stall does not match the tileset, all the rest imports nicely. I tested 16x16, 32x32, both the bathroom specific png and the full interiors png, I would guess the issue persists on 48x48 as well:
Viewing post in Modern Interiors - RPG Tileset [16X16] comments
No problem at all, I don't mind using those instead :)
Last but not least, I need to figure out if all the 32x32 characters was indeed intended to be cut just around the hair, I understood you created a dynamic system to be able to change out their hairstyles and such, which might be a RPGMaker thing, but just wanted to check if it was indeed intended?
Example cut on 32x32: