ARTICLE - Add a photo to a 'locked' article

When the article is 'locked/linked to the page' photos can be added through articles and media modules.

1. In the article module we put that article in the preview mode

2. Upload the photo/photoss into the system media module

3. After the upload, select the photo (activate it) and to the right you will see the paper pin icon and the question if we want to add the photo to the active article (Attach to previewed article :). Clicking on the paper pin icon will link photo to the article.