encore motion menu quality degrades

Hello,

I have an issue with encore's motion menu. When the menu is static the
image quality is totally fine (including the static avi, photosop
layers, text etc) However as soon as i render the motion menu and then
preview the whole menu looks blurry and there is a significant drop in
quality.

However when i burn this onto dvd and try it on my dvd player the
picture seems sharp.. this is not the case on my computer when it still
looks as bad as in the preview.

Has anyone faced this problem or know how to fix it.. this happens to
be my final year project which is due on Tuesday. Swift help would be
MUCH appreciated..

thanks
c.