hi guy's

I finished my 2 month project, it is a man walking through the mounten, I render my animation as a still image look beautifull. shainy and full of reflection. it look excellent to me, but i need render it as an movie. avi or quicktime. i save it as playblast it looks not really good blurry. so do you have any idee how can i render it as butch render? please explain how can i render my animation? instruction?website? dvd's training? any other stuff? please say something if you know something. because all animation end up with this point(rendering)

thanks guy's goodweeknd for everyone