I am getting married outdoors on a bluff overlooking Lake Michigan. I was raised catholic although wouldn't say I am practicing. I would like to incorporate a couple prayers/blessings, possibly the "Mother of Mary" tradition, but not a traditional mass. Any ideas A) who I would have officiate (most priests will not perform an outdoor ceremony) and where to begin looking for this peron is and

how can I incorporate those tradition in non traditional ceremony??
Thanks!!