Get a 20long tank. Put it so its taller. You know? Like set it on the sides. So the length is actually the height. Then cover the sides on the insides with a coco fiber "background" drill holes into the said backgrounds. Get plants like phelodendruns and wrap em around. So the leaves are out the hole and the vines inside. Make sure the roots are in the ground bottom. For the bottom. Get some glass that is cut as wide as the tank is and around 5-inches tall. Then glue it to the bottom of the oppening of the tank. You know where the lids go. Then you can make a little waterfall in there or just put soil in there. Make sure the plants get fertilizer. now on the top of the tank which is the side but the top. Try to drill an openning in it. Cover it with mesh. So light can get in. Put a lamp on top of it like a basking. Then on the opening of the tank make a frame so you can open it. Then cover the frame with mesh. So theres ventilation. Now that you have a nice plant, fertilized and with good lighting and a bottom. You can add a treefrog. Mist daily or every other day. Just remember to leave a dish of water in there for the frogs to soak. Try going for the small green tree frogs.
If you made sense of this set up, then go for it. Iam bad at explaining things. But thats my advice. You should also add in some of the "vines" for it to look natural. make some perches. and you're done.