Falling Snow Particle Animation Sourced Here.
http://www.bellaonline.com/articles/art55070.asp

Fire Flicker Animation Sourced Here.
http://ultravisual.co.uk/blog/2008/11/25/neon-flickering-effect-in-as3-tutorial/

Audio Clips:
Trumpet http://www.youtube.com/watch?v=fL_gXr0irro
Night Before Christmas by Clement C Moore (public domain), read by Deeleea.
Carol of the Bells - Classical Harp Music available from here-iTunes URL

Fire Sound effect from: http://soundjay.com/nature-sounds.html