Texture Editing Help?

[[robo9]]

I think this is the right place to post this, sicne this kinda has something to do with models and such. Ive been trying to mod Brawl, and the first thign I wanted to do was put my ref in. I wanted to start with texture editing before starting with PSA, and Ive been using Brawl Box. After replacing the texture files in Brawl Box, the model preview looks like this:

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But ingame looks like this:

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Any advice on whats causing it to do that, and how to fix it?
I tried posting this on Smash Boards, but without much clear help so I thought someone could help here.