Move the mouse over the photo to see the caption. Move the cursor off of the photo to see the photo without the caption.
Click anywhere in the right half of the photo to go to the next photo and click anywhere in the left half of the photo to back up to the previous photo.
Click a thumbnail to view the corresponding photo.
The left arrow key will select the previous photo and the right arrow will select the next photo.
The down arrow will advance to the next group of thumbnails and show a new photo. The up arrow moves back to the previous group of thumbnails and shows a new photo.
The home key selects the first photo while the end key selects the last photo.