'Image url of current playing media.'

@property
def media_image_url(self):

    if (self.current_app is None):
        return None
    elif (self.current_app.name == 'Roku'):
        return None
    elif (self.current_app.name == 'Power    Saver'):
        return None
    elif (self.current_app.id is None):
        return None
    return 'http://{0}:{1}/query/icon/{2}'.format(self.ip_address, DEFAULT_PORT, self.current_app.id)
