HELP!

I'm having problems with my ImageReady =[ Idk whats going on but here's the problem :


I seethis with the snow falling, when I'm on IR  : but whenever I save it I get this : 

Anyone can help me? =[ It's one of my xmas icons =[ I've been working hard on it =/ If someone could help me, I'll be super happy =D
  
EDIT : Problem solved! Thanks to everyone that helped =D