Depict a symbolic image representation of the two covenants as mentioned in the Galatians 4:24-26. Show one depicting Mount Sinai symbolizing bondage and embodying Hagar. Correspondingly, portray Jerusalem in a state of captivity with her children. Subsequently, illustrate the contrast with the depiction of the 'Jerusalem above', signifying freedom and motherhood of all. Render this scene not in the style of any specific artist but in a general digital art form.