To add a Photo Album to your News story:
1) Navigate to onMessage.
2) Select Content > News.
3) Click on your News Category.
4) To the right of your News story, click the yellow pencil/Edit icon.
5) In the Drag Images Here channel, click +Existing Photos.
6) Expand Page Content.
7) Expand the Photo Category the Photo Album is located in.
8) Click the check box to the right of the Photo Album(s) you want to attach.
9) Click Apply.
10) Click Save on the Edit News window.