photography/camera question

[i hate uggs]

i want to take a picture like this, but i don't think a fisheye lens can go on my camera. does anyone know how to do this effect on the computer and can you please tell me how? thanks.

http://farm3.static.flickr.com/2282/2434701871_16b8760883.jpg?v=0

 

[Sarah23]

What camera you do have?