strecth background image

hi,

i have an image 240*320. when i set as a background image like this;

<screen style="align:right;layout:inlinelayout(false,fill)" title="KUIX">

it does not show full image, bottum side is not displayed. i would like to see resized full image. how can i done?

thanks.

bg-image: url(bg.png);

the image willl repeat if not large than the screen.