Question about Wireless Flash

[cbay]

Hi i am intrested in getting a wireless flash for my Fuji S7000, i understand some sort of device goes on the top of the camera so it knows when the picture is taking. But where can i get one of these devices and a flash?

Any one got any ideas?

 

[ksmattfish]

Freestyle

http://www.freestylephoto.biz/sc_main.php?cat_id=2611