Mighty oaks from little acorns grow”—but it’s kind of hard to believe when you look at the tiny sprouts in this free Windows 7 theme! They’re cute, and almost look eager, but these ambitious little seedlings have a seriously long way to go.

Surprise the mother in your life with images of tender motherly moments in the animal world: Polar bears hugging, lions nuzzling, otters cuddling, and penguins standing in the freezing cold. There’s even a mother gopher teaching her pup to dance. A free theme for Windows 7.

A doe startled in a grove of flowering trees. Translucent flower petals backlit by a brilliant sun. A night sky thick with stars and galaxies. Rediscover the natural world as a place of mysterious beauty in this free Windows 7 theme of photos by Nick Boyer.

Something about forests stirs us. Dappled sunlight through a canopy of maple; gnarled, primeval trunks coated in moss; or the slender green serenity of backlit bamboo. Surround yourself with the living majesty of forests in this free theme for Windows 7.