Use your imagination. You are lucky to have bright sunny, moderate sunny under the tree and shade. Just do some micro climate engineering, maybe a small pond under the trees with goldfish and a fountain to increase the humidity further. Then some pots in the forks of the trees to get these things going
http://www.exoticrainforest.co...
http://www.exoticrainforest.co...
Pretty adventurous?
Why are there no Plumerias against the wall?
Regards,
Arif.