Help me edit SOURCE :3

HI TO ALL :3:blush:

I NEED MANY HELP FOR EDIT MY SOURCE

1.- How to change the icon for a icon custom by me?


2.- How to add minimize and exit(x) in my neuz?


3.- How to fix this problem?


4.- How to change or add others items and value/price?


This is all, pls help me :)


PD: sorry for my bad english :(: