Here is a video of Nintendo Spaceworld 1997. Including scenes of the Wood Temple. The video features many other games for the N64, but there are ultra rare scenes of Ocarina of Time included:
I would love to gain new informations. So, please feel free to post if you got new material. Or, if you like the whole beta Stuff, feel free to read the two pages. It's very informative.
The wood temple probably would have been the Deku Tree. And I thought that Skulltula temple was going to be in MM but they scratched it and all that's left is the Skulltula house?