New Wario Land 4 BG and FG:
Needs some position adjustment in the background, or maybe making the background a bit taller, but the foreground should be spot on.
Ignore the floating candles, they're meant for use with a different background but with the same foreground.
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Wario Forums respectively.
As for Mario's Nightmare Quest? Well, it's currently on Fusion Gameworks, ROM Hacking.net or the GCN at the moment.