Believe it or not, to mount it, I just put a wire tie around the lense, then two through that one and around the top of the head set. Crude, but works.
A note on the two cameras. I liked the snake camera, but there wasn't anything to really grab onto to mount it and I don't think the field of view was as large and you cant change the lense. I had to get some plastic snap on sunglasses, which I cut and taped to the pinhole so the sun wouldn't wash everything out.
For those reasons I decided to try the microlense camera. It has some white balancing on the chip but it makes things dark rather than white out when looking directly at the sun. I am going to try and add the sunglass stuff to it and see what happens.