When you see an image with a white background click on it to enlarge it, then use the right and left arrow keys. Try pressing F11. There's also a slide show option.
The two sets of photos below are identical apart from the size of the photos: the full size versions are best for viewing.
If you're into Facebook there's a Share button at the top right when you're viewing photos.
Nui's baptism (full size photos)
Nui's baptism (small versions, 600 pixels on the longest side)