Here's what i made so far, the outlines are now fixed:
Spoiler: Default (Disclaimer: This was based of a palette i found, i think it was Goodaldo who made the original.) (click to see content)
Spoiler: Default Alt (Comics) (click to see content)
Spoiler: Ibuki (click to see content)
Spoiler: Storm (click to see content)
Spoiler: Tsubaki (click to see content)
Spoiler: Black Widow (click to see content)
Spoiler: Elektra (click to see content)
Spoiler: Custom (click to see content)