[SOLVED] Rounded header image corners but NOT header container.

I want to round the corners of the header image on the site CafeChoc. I have tried a few things but they seem to be related to rounding the corners of the header image container.

As I have left a blank logo area at the top of the site I want to match the rounded corners as well so that it does not look odd.

Any clues please. And to JD I tried the webkits and moz radius fix you have suggested in other posts . That only does the rounded corners at the top not the image the way I have it.