Preheat oven to 350 degrees. Lightly spray baking sheets with cooking spray and set aside.
In small bowl, stir together flour, baking powder, soda and salt; set aside. Cream butter and sugar together and add egg and vanilla; mix well.
Stir in flour mixture, wheat germ and oatmeal until well blended. Add coconut, popcorn, raisins and sunflower seeds, if desired, and mix until well blended.
Drop by rounded teaspoons onto baking sheet, with 2 inches between cookies to allow for spreading. Bake 7-8 minutes or until edges are lightly browned.
Allow to cool on pan 5 minutes before removing to racks to cool completely.