street fighter x tekken

[tommie gunz]

hello everyone...i'm glad to meet you all,with that being said i would like to ask a question.

i've been trying to aad new tekken characters to my mugen but everytime i start the game to try and play with the new character,it didn't load or take.i have tried all types of tekken fighters and i can't seen to get none added to my mugen.i have not one single tekken fighter installed and i can't figure out why.if anyone can help me it would be truly awesome.i'm a newbie at this but i'm a hard worker that's willing to learn.can anyone tell my why this is happening,thank you for your help in advance   :)