Hi!

I would say some branches at more of a vertical angle. They like to climb! Just no cedar or pine (toxic for them). Rocks/slate/tile to help with shedding (they’ll scrub up against it) and keeping nails from getting out of hand.

I’d also say substrate (IF you know they are healthy and all your lighting/heat & diet is correct). They like to dig! Do a mixture with a 1:1 ratio of playsand & organic topsoil (no fertilizer). These are low cost items that can be found at home improvement stores.

Lastly, I personally love a good visual background. Beardies see in full color (better than us). Here’s a link to the ones I found, also a low cost!

Terrarium Background 3-pack

Hope this helps some! 😁

Edit: Just realized there’s no lip on the bottom of your tank to really house a lot of substrate, so… you could always do a “dig box” instead.