For people witch like to have SNR bar on left red and right green

You can replace/put bar_snr.png in all HD-ZERO skins.
This file you can find in skin folder. /usr/shre/enigma2/skin name HD-ZERO....

(for default HD-ZERO skin name is skin_default)

DOWNLOAD :

http://www.sendspace.com/file/u9cvcj