Sure! In the mean time, I’ve got a bunch here that you can draw inspiration from 🙂
Bones!
Any animal skull that’s clean and has been sun-bleached rather than chemically bleached is safe for vivariums, and they can look great. You just have to be sure you block off the braincase and block off or remove the sharp bits from the sinus cavity of any skulls the frogs might be able to get into.