View Slide Show photos as thumbnails on the Admin page

I post new photos on our Home Page approximately every 2 weeks.  On average, I post 10-15 photos at a time and some of the photos have very similar backgrounds.  It is hard for me to differentiate between the photos when I can only see the upper corner of each one within the Slide Show tool view.  I appreciated the "old" website's view of thumbnails.

Can we please have the option to view the photos as thumbnails instead of just the corner of each photo?

Thank you, Kristin Mulder