Pondless Backyard Fountain Pond and Waterfall. Even without the fountain, which in Az will grow algae like nobody's business, I think the idea of softening up the patio with a little rock garden with plants mixed in.
natural small garden ponds pond is one of great small garden ponds ideas. You can make it by using PVC lining and place it with some rocks around it and decorate with water plants. In order to beautify it, you can raise some fish in it, such as