South Dakota Governor Dennis Daugaard has appointed Rapid City attorney Gary D. Jensen to the South Dakota Game, Fish and Parks Commission.   Jensen is taking over for Jeffrey Olson of Rapid City, who served two terms and was not eligible for reappointment.  Jensen is a partner in the Beardsley, Jensen and Von Wald law firm.  By statute, this opening on the GF&P Commission had to be filled by a West River non-farmer.