Preheat oven to 350 F. Lightly spray baking sheets with nonstick cooking spray and set aside.
In small bowl, stir flour, baking powder, baking soda and salt; set aside.
Cream butter and brown sugar together then 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; mix until well blended.
Drop rounded teaspoons onto baking sheets with 2 inches between cookies.
Bake 7-8 minutes, or until edges are lightly browned.
Allow cookies to cool on pan 5 minutes before removing to racks to cool completely.