How do you change the shape of a picture (pic included) ?

Question

i wanted to know how do you change the shape of a normal picture into a shape like this http://tinypic.com/view.php?pic=jpudqf&s=3&hid=377&tag=rainbow

i need a website !!

thanksz =]

Answer 1

go to microsoft word 2007

Answer 2

i dont know if you can do this on this site but i know its a really good site for editing pictures

http://www.lunapic.com/editor/