The movie, Up.
The old Christmas cartoon, Small One.
CNN Heroes presentation last night.
Numerous renditions of O Holy Night.
Watch out, I'm extremely volatile.
Also, go to Pandora.com and start a station with 'Winter Song', by Ingrid and Sara. Add Greg Laswell and Ingrid Michaelson's 'Can't help falling in love'. There is no possible way to have a bad day after kicking back to that station for awhile.