xbmc main screen cropped

Hi,
Each time I have tried xbmc on my AppleTV2 I was facing a problem with accessing some of the menus,
since the screen is slightly cropped.

I have a FullHD TV (1920x1080) and my AppleTV2 is set for a full screen resolution (which of course
is 1280x720).

When launching xbmc, the bottom buttons (favorite) and the news marquee at the bottom of the screen
are cropped. The marquee itself is barely readable since I see only the upper 1/3 of the characters.

Any way to fix this? I tried to find a FitToScreen or Ascpect Ration or Screen Size menu. Without success.
Probably right under my nose.

Thanks for any help.