19 Interesting Fruit Nails Design: This is the sort of thing I do to my nails. This person has used a fruit theme (watermelon, pineapple, citrus, strawberries, cherries) for her nail designs. It may be a small canvas, but it can still hold a design. I've used stripes, cross-hatch, flowers, dots. And the nail pens and skinny brushes make it easy to do a variety of things.