Ok since Chip has shown how we mount the rudder and elevator servos I will show the wing.
After all hinging is done I cut out the
covering over the servo cut out and leave extra to fold into the servo bay then shrink it. I use 1/4 x 3/8 spruce for the servo mount so after I cut and fit I glue them into place. After mounting the servo and horn I use some trim monokote to cover the servo