hacking console help

im not sure if this should go into video games or tech but last time u guys helpd out waaay moar so here it goes

i have a wii running on homebrew and i use a extrenal hd terrabite insted of a sd card. Then recenly saw some new ssbb skin mods n was wondering if any one had any ideas how to go about doing this? For my set up i found plenty explaining the sd card method but as i have a hd im not sure if its the same and i dnt wana jack my stuff up so any help with my wii would be appreciated

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