Creating funpacks

Hey guys
           
             I am trying to develop a funpack and what I would like to do is that I would like to include some pictures which I can set as a wallpaper on my phone.I  would like to know in which directory I should try to keep my pictures so that I can set as a wallpaper from my funpack.Any help would be greatly appreciatied. I would be very grateful if you guys can help me with this.

Thanks in advance.

Bye

Titan