BKG-YFIT
Type: Background modifier
Scope: self (BKG-IMAGE)
Purpose: Stretches BKG image to match container height
To force the background image to fit the container height, add BKG-YFIT to $blogExpOpt. This only affects Background images, not textures.
A good choice for your Banner Widget, to avoid seeing a gap between the banner image and the bottom boundary of the banner.