For a frosting with a very high shine, do not overheat your chocolate frosting when melting.
For an ultra-smooth top, dip your knife in warm water dry with a paper towel and smooth the icing like a professional.
To get smooth unbroken piped outlines, squeeze your frosting filled sandwich bag with a delicate touch, moving your bag along your path only as fast as the frosting is coming out.
When decorating with flowers, arrange the flowers with alternating colors for a more appealing presentation.