PLAYER PICTURES AND SO ON

Hello there guys, ehm i wanted to ask if someone could help me with creatin new Player Portraits for my own created players. either i wanted to ask if its possible to do that for own created chars??
i would be pleased with help with this cause i didnt found such a thopic here .
So please tell me what i have to do from the start to the end plesae ^^

You can find a tutorial here.

how to edit the other player's potrait