;## USER SETTING: forth color in wave (1 character)
var %mrfw_color.4 = 00
;## USER SETTING: fifth color in wave (1 character)
var %mrfw_color.4 = 07
Is that a ".4" I see there? :P
Also, fourth << spell it like that. :)
Looking at the script more, it won't use that 5th colour anyway. Once you reach the 9th character it resets to 1 again, skipping the 10.