Comment 4 for bug 779997

I support mahfiaz's suggestion for different background options. I think zoom to fill should be the default for theme backgrounds.

Also, I think it might be good if the screen for "Output Area Locations" (the second last screen of the theme creation wizard) allowed you to select percentage (%) sizes, rather than absolute pixel sizes. For instance, let the width be 99%, rather than 1420 px

(You could make it so you could either enter 99% OR 1420 px and it would figure out what you wanted...)