Scrolled Ceiling Medallion (Horchow) - this is an easy DIY project - paint an inexpensive metal wall medallion & secure it to the ceiling to highlight a hanging light fixture./could use the pre-done wood scrolls from Jo-ann etc.
Have you seen the real-looking roses and other designs on cakes these days? They are made from fondant. Here are step-by-step instructions on how to create fondant rose buds. Beautiful, but too tedious for me!