Here's a link to the first restored Lunar Orbiter picture. It's the famous b&w image of the earth rising over the edge of the moon.The level of detail in the restored image is really amazing. Click on the small image to view the full resolution image (1740px × 3673px,7742.98 KB) .http://www.nasa.gov/topics/moonmars/features/LOIRP/
There ought to be a big version somewhere then...