Switching GMs?

So recently the GM of our Pathfinder game just got Plus membership and is really happy with how Dynamic lighting works; but since I'm the head GM, can't leave, or switch him to head GM he can't use the dynamic lighting and his fancy stuffs. Any way to just switch him to head GM that I'm missing or will we have to have him recreate the game?  Thanks in advance; ~Jericho

In this case, he will have to recreate it. If he was the original GM, and bumped you up to GM, then you would have Dynamic Lighting for that game, but since it is the other way around, it doesn.t