Sorry I did not go into much detail on making the vent and it's installation. I was ailing to get this completed and have the frogs in before going on vacation so much occurred without a camera on hand.

As an update, the frogs are doing great and move everywhere in the viv. They are using the monkey pods as their hides for night time and spend much of the day on the mid level areas of the viv. I have yet to add a piece of banana for a feeding station but plan to before I leave for vacation.
The Biophytum has had a hard time adjusting to the addition to the tank and the leaves seem to close up most of the time. I suspect that this is due to the leaves touching the cork round it was plants in and the leaves are usually well above anything so they have droop and close and lift to open. Hopefully it takes and grows.... I really like this plant.