title: How to make image placeholder?
body: <p>How to get image placeholder? It should looks like empty place (16*16) in gray color.
  And when i select image- it places into placeholder.</p>
  
  <p>I know how to select image from files, but i do not know how to make empty space (16*16 with gray color).</p>
  
  <p>Can you get me some links or simple example?
  Thank you!</p>