text: import Ember from 'ember';
  export default Ember.Component.extend({
  height: 100, // Default height and width 100
  width: 100,
  //
  // The following computed property will give us the url for
  // fill-murray. In this case it depends on the properties height and width.
  //
  src: Ember.computed('height', 'width', function() {
  var base = 'http://www.fillmurray.com/';
  return base + this.get('width') + '/' + this.get('height');
  })
  });