Vector watercolor.
You can download it here http://www.shutterstock.com/pic-271232981/stock-vector-vector-watercolor-in-warm-colors-with-the-text-summertime-on-a-white-background-with-leaves.html
You can download it here http://www.shutterstock.com/pic-271232981/stock-vector-vector-watercolor-in-warm-colors-with-the-text-summertime-on-a-white-background-with-leaves.html
