Decorate standing cookies using royal icing. Cover larger trees with tip 16 pull-out stars, smaller trees with tip 15 pull-out stars. Sprinkle with nonpareils; attach confetti. Let dry. Use tip 5 to
outline and fill in snowmen (pat smooth with finger dipped in cornstarch). Pipe hat and scarf with tip 4. Pipe tip 3 hat band and pull-out dot nose. Pipe tip 2 dot eyes, mouth and buttons. Let dry. Decorate skiers in assorted colors. Use tip 5 to outline and fill in faces, jackets and pants (pat smooth). Using tip 2, pipe dot eyes and nose, outline or dot mouth, C-motion ears on boys, dot cheeks on girls; pipe hair using curls, outlines and pull-out dots. Use tip 4 to pipe shoes. Attach ski poles to hands; pipe tip 3 gloves and tip 2 fingers over stick. Pipe earmuffs and hats with tip 3; add tip 1 outline and zigzag trims to hats and jackets. For neck portion of scarf, roll out reserved fondant 1/16 in. thick. Cut a 1/4 x 2 in. strip; attach using damp brush. Attach matching scarf ends using fondant adhesive. Let dry. Attach easel backs using royal icing; let dry.