Thanks for that!
Yes, the "new slideshow" is not set up to use the slideshow template. In the Page Attributes module in the Page Editor, you should have the page template set to "Slideshow" instead of "Default":
The instructions on how to properly set up the slideshow template can be found here (scroll down to "Using the Slideshow Page Template?"):
Since you embedded a gallery into the "new slideshow" page, you would have to remove it first in order for the Slideshow page template to work properly.
Also, as a premium themes customer, you do have access to an exclusive forum where you can get help from the theme authors themselves. Here's a link to the forum for the Photographer theme for future reference:
I hope that helps! Let me know if you have any questions.