I stumbled upon a NASA website yesterday, when looking at pictures of red moons for one to use as my new desktop background. This site has over 4783 wonderful pictures--or one for each day since June 16, 1995.
They're both beautiful and informative as each one comes with a description.
Here's a link to the first picture, and you can head to the next simply by clicking the link directed after "Tomorrow's picture:" near the bottom.
Here is a link to the first picture.
And here is a link to their archive if you'd like to see more modern images.