I personally like it how @CryptKeeper did it, https://www.chameleonforums.com/threads/progress-of-my-bioactive-build.193509/
This gives you maximum space left inside the enclosure
It’s completely normal for them to eat plants, however not every Veiled’s does it. Yes, the Pothos is considered toxic, however no reports are known for incidents with chameleons, therefore it’s considered safe.