Modding N64 No mercy ?

Hi im looking for some one to mod the Nintendo game wwf no mercy i would like a divas version of the game :-) legend divas i did make lots of caws but it didnt work for me they didnt save even if i gave you a list of pictures for the caw mode it be great if you can add them for me. i really want some fun help me :-) thank you ive tried modding before and failed