Can I Buy Spares For Fujifilm S1600?

Turn the dial on top to S, then press the +/- in the bottom right on the back and move the cursor up and down to change the numbers on the bottom left of the screen.

What you really want to learn is how to do shallow depth of field using wide apertures ;) The bokeh will follow hopefully! The secret is Manual or Aperture Priority mode. Focus on

To add to deep blue's comments, it would be preferable to have a remote control so you don't disturb the camera and, it may be useful to set the focus to manual so it doesn't vary