halpies with GTK2

OK guys, I've never done any GUI programming so help me out a bit

        window <- windowNew
    image  <- imageNewFromFile "/home/CENSORED/wiki.png"
    set window [containerChild := image]

if I load a different Image, how do I get the window to display the new one?


                       //`'''```,
             o        // LISP   `.,
       ,....OOo.   .c;.',,,.'``.,,.`
    .'      ____.,'.//
   / _____  \___/.'
  | / ||  \\---\|
  ||  ||   \\  ||
  co  co    co co