Here is something that you can try
sudo yum install yearcalendar-backgrounds
This will install 3 wallpapers with yearly calendars. There is no interesting background in the calendar but then you get the clarity since there is no background. The calendars are quite nice by the way.
- 2010/11/29 Free Home made calendar for December 2010.
- 2010/10/29 Calender for the month of November – free.
- 2010/09/30 Free Calendar for October 2010
- 2010/03/23 Add a image to the list of background files in gnome