I live in a pretty cool place. So usually, it's a picture of my dog looking out over one of our local mountains:

http://www.flickr.com/photos/misteralpenglow/4901704088/

http://www.flickr.com/photos/misteralpenglow/4682694730/

http://www.flickr.com/photos/misteralpenglow/4679036325/

http://www.flickr.com/photos/misteralpenglow/3700860792/

http://www.flickr.com/photos/misteralpenglow/3620966113/