This is where you need patience.
If you are a stickler for aesthetics, LaunchBox supports "Bezels" (overlays that frame the game screen). launchbox dolphin
If you haven't done this yet, here is the quick-start method: This is where you need patience
The alone is a killer feature. Knowing that I’ve spent 47 hours on Paper Mario: TTYD across three months – data Dolphin never records – is genuinely satisfying. launchbox dolphin