[--Chris--]

I'm not sure what you're refering to as "new" but to add attributes such as heads,swords etc you click the column right of the attribute and type the name and file type:
Example: (Column to left) Head Def.(Column to right)head0.png

As for sound...You firest click the sound/speaker icon to the bottom of GraalShop and drag the sound somewhere on screen in the frame. Click the very top column to the right and type in the exact sound name and file-type.Example: Column(left) would say "File" and to the right column which is blank you would put
steps2.wav