Drawing a kitchen in perspective is another great idea. Kitchens contain a wide variety of forms and often have interesting reflective surfaces. This example contains carefully staged still life items to help complete the scene.
The simplest, most beautiful floral trend: rooting plants in water. All you have to do is snip a plant at the base of a leaf and place it in fresh spring water in a glass vase. I imagine this doesn't work for every kind of plant.