public static URLImage createToStorage(EncodedImage placeholder,String storageFile,String url,ImageAdapter adapter){
  return new URLImage(placeholder,url.intern(),adapter,storageFile.intern(),null);
}

public static URLImage createToStorage ( EncodedImage placeholder , String storageFile , String url , ImageAdapter adapter ) { return new URLImage ( placeholder , url . intern ( ) , adapter , storageFile . intern ( ) , null ) ; }
creates an image the will be downloaded on the fly as necessary
