Why not collect and distribute this cannabis equally to various locales. Then, have a fucking "festival" everywhere and bring in local musicians and weed themed artists or product creators (bongs, pipes, etc) in a disposable (or properly cleanable preferably) semi-airtight "structure" and burn off the excess for everyone to enjoy.
Sell tickets, put the proceeds toward issues that taxes aren't quite covering, or put it towards hard drug treatment plans, etc?
Just a massive hotbox. Have outdoor areas for people to get some air, grab a beverage, snacks, etc? Gouge those prices too, a bit, like every other event under the sun.
My only suggestion is to keep it to mono-drug usage. In this case weed.
Alcohol and large crowds don't go well together, usually, and adding more substances to the mix makes things less controllable and predictable.