Hello Aries,
have you found a solution for this problem? I have started my Mirror Build today and achieved a lot of good working things. But the calendars are driving me nuts. First test with MMM-MyCalendar failed because of incorect displayed times (11 or 25 minutes off). Never the less that one had colors. Now i switched back to the “default” calendar, and at least the times are properly shown (despite the fact the the absolute or relative Parameters are doing nothing…). Unfortunately it is not possible to change the colors of the different url’s.
So please drop me a line if you found a solution to it. Or if not “Same problem here +1”

Thanks a lot
LeFreak76 from Hamburg