adding super BG/ any tutorials ?

[argyone]

Hey,

i wanted to edit a specific character to have a different Super Bg.
i searched on google but couldnt find any helpful tutorials or something.
so step by step : what do i have to do?

ps: i just want the sprites to change from mvc1 ones to Svk style like infinites older creations.

 

hope you can help me. thanks :)