Here is a guide to how I have my GoPro 3 setup and some tips on how to handle some of the issues with it. This isn't totally about Micro Four Thirds. However, I use a GoPro 3 instead of buying a wide angle lens which is very expensive with m4/3s.
https://www.youtube.com/watch?v=2d_GI31Tv5A
https://www.youtube.com/watch?v=2d_GI31Tv5A