In case you want a cover that is full of printed flowers and leaf and petal shapes, Rosepark pattern case is a good derision. Here is why:

The case is not just made for ornamental use, but it also very tough and thick, and can do a good job in protection from various drops.
iPhone 6 Case, iPhone 6 Case, Rosepark(TM) Paisley Flower Pattern Shockproof Hybrid Hard Plastic with Soft TPU Triple Layer Armor Full Body Protective Case Cover for Apple iPhone 6 4.7 inch(Green)