Microsoft has posted two new themes for your Windows 7 systems that fit very well for this time of year.  One for those of us deep in the Winter season and another for everyone about to celebrate the end of the first decade of the Millennium on New Years Eve.

Walrus Swimming Under Surface of Water Near Tiholmane Island, Svalbard, Norway Icebergs in Surf by Jokulsarlon, Iceland An arctic fox (Alopex lagopus) follows a polar bear (Ursus maritimus) as it hunts and hopes for leftover meat, on the 1002 coastal plain, Arctic National Wildlife Refuge Alaska, USA
Lake in an old volcanic crater or caldera, Iceland Snowy Owl in Flight Over Snow Covered Field Icebergs in Greenland, Alluitsup Paa, Greenland
Humpback Whale Underwater Hornsund at Spitsbergen, Norway Arctic Tern fishing in Jokulsarlon Lake, Iceland
Snowy Owl Perched on Fence Post in Winter, Canada Arched Iceberg in Ililussat, Greenland Humpback Whale Feeding in Frederick Sound in Alaska, USA
Clouds and Autumn Colors Reflected in Lake, Abisko National Park, Sweden Polar Bear, Nordauslandet, Svalbard, Norway Icebergs in Disko Bay, Greenland

Download the Arctic Windows 7 Theme

New Year celebrations at St. Basil's Cathedral, Moscow, Russia Fireworks Fireworks over the Brooklyn Bridge, New York, USA
Fireworks Exploding over Harbor of Shizuoka Fireworks Display Fireworks above Cibeles Fountain on New Year's Eve, Madrid, Spain
Firework display Fireworks above the Opera House and Harbour Bridge, Sydney, Australia Fireworks in the night sky
Fireworks on New Year's Eve, Singapore Fireworks Fireworks over the Tower Bridge, London, England, UK
  Fireworks Display at New Year Celebration  

Download the Fireworks Windows 7 Theme