So I've never heard of takashi amano but after looking at his work, I had to say thanks for the intro. He does beautiful work. I always stive for an ecosystem in all my aquariums and terrariums so his work speaks volumes to me. On your background- you have done quite a few different types so... I've always wanted to do a cloud forest and a bog but idono if they would work for mantellas. The other thing I always wanted to do and will do soon, i hope, is a buttress root background but I haven't decided on how to construst it yet. I've seen some good ones but they weren't my style so... Let us know what you decide