Eight photos from flickr.com, all released with a Creative Commons license:
The photo of a female cardinal is amazing, and the photographer posted information about the technique he used to capture it. Four flashes!
There seems to be no end to the beautiful photos on flickr.com, and even limiting myself to Creative Commons-licensed photos isn't much of a burden. Click on each photo to see a larger version and read some details, and then check the terms of the license to see what you can do with it. You can often download a copy and get a print made, or use the picture on your own weblog with proper attribution, as demonstrated here.