Drift wood is fine, that is what most people use. If he is still a juvenile tree frog still, he will need to be fed appropriately sized crickets every night, make sure they are dusted with calcium powder a few times a week. If he is an adult, 2-3 appropriately sized crickets every other night will be fine. The crickets shouldnt be bigger than the space between his eyes. I don't use a special light for my plants, make sure you get plants that can thrive in low light and it wont be a problem.