Do note when downloading background images, make sure they are image files like PNG, JPEG, and not an executable or Zip file. Also remember to opt-out of third-party offers, if any. Here is a list ...
The background is removed ... Press the Enter key on the keyboard. A dark blue area will appear over the image. Now manually brush the image by click, hold and drag the brush all over the image.
George’s cross on the white background; Scotland is represented by the white-colored St. Andrew's cross on the blue background; and Northern Ireland is represented by St. Patrick’s cross ...