Option 1 has the bolt holes,
Option 2 can have 'hidden' bolts on the back.
In our experience 'froggie' tends to be a point of failure (as cute as that fella might be!).
That being said, how would you feel about some animal stencils to go along with your vital shots? we can do a (mini?)moose, coyote... Then you can hang the vitals behind the stencil painted over cardboard or a piece of plywood. Possibilities are endless here guys!