You did not understood. The file you get from Mozilla is an iCal-file. Normally you can just add them to a calender. But the program that ads them to you calender has a bug. It will only add the first item of the file. Google is a way to work around the bug but as I have sad it's a bit overkill. Hope this will be fixed in 1.3 or an update of 1.2 Hope you can understand it now.