They need to switch it up a bit.
If you haven't had your photo with Groot, the TARDIS console or the sword chair from GOT by now, then you've had/missed your chance. They're there every year almost.
Some events do photoshoots with various Star Wars backgrounds, the Star Gate portal & the Jurassic Park gates. Those would be great alternatives for Showmasters to consider.
I think a couple of Hogwarts green screen shoots with Tom, Sean, Devon and Jason would go down a treat. Maybe the common rooms?