Orange Creamsicle Bars

Ingredients (10)

• 1 package (12 ounces) vanilla wafers, crushed
• 1/2 cup butter, melted
• 2 packages (8 ounces each) cream cheese, softened
• 1 cup confectioners' sugar
• 3 tablespoons frozen orange juice concentrate, thawed
• 1 tablespoon vanilla extract
• 1 pinch salt
• 1 carton (8 ounces) frozen whipped topping, thawed
• 2-1/2 tablespoons orange gelatin
• Fresh orange slices, candy orange slices, orange zest or additional orange juice concentrate, optional