Switch between one and two slides in a presentation

[DonkyKong6]

Hopefully someone can help out. We have the ability to display a presentation on two displays. At certain points the boss wants to display the same (duplicate) picture on both and in other places different pictures (one one the left, another on the right). Then, back to the duplicated picture.

Can we do this from one computer or do we have to run two with both running the presentation? Since there are hyperlinks one computer would make this easy.



Thanks.