You can now add to facebook some info on a program easily.
First make sure that in your SEO settings -> Social -> Facebook , you tick off the option
then simply copy and paste the URL (http://…) of the page calendar-details corresponding to the program you want to advertise.
example : you go to the page http://shambhala.ws/calendar-details/?id=236366 and paste this URL to your facebook status field . Give it a try.