So in my hack i want to make custom textures for the Piranha Plants.



But in game they look like this for some reason.



Please help I don't know how to fix this.

Did you edit the texture with NSMBe? That usually messes up the textures especially with the world map, try using Nitro Paint instead and see if it looks normal.
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hmm what to say...

i think nsmbe exported the textures wrong, making some areas that shouldnt be transparent display as transparent. i think if you fill the rest of the top half of the texture with purple, itll import fine, but i cant recall for sure. you could also use a different program to edit the textures, as MarioFalls has suggested.

Pixels that use the first color of the palette become transparent even when they aren't; it's a known issue with NSMBe.
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ITS FIXED! Thank you for the help!