How can I paint my bedroom to look like it's water color?

Using the sponge technique is the only way I can think of doing it. I want my walls to look like this: http://i38.tinypic.com/1zvttu0.jpgHow can I paint my bedroom to look like it's water color?
If your asking on what specific colour to use to make it look like water, then use either sky blue, or deep blue.





I hope i answered what you were asking!


if not, im sorry