Navigation:
The icon will return you to the home page.
The icon will take you to the discussion forums.
The and icons open and close the navigation submenus.
The icon indicates a link to a related webpage.
The icon indicates a link to an external website.
Photos:
Most photos are clickable thumbnails linked to a larger image.
Anywhere you see the camera icon is a link to an image or lightbox slideshow.
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icon will return you to the home page.
icon will take you to the discussion forums.
and 
icons open and close the navigation submenus.
icon indicates a link to a related webpage.
icon indicates a link to an external website.
camera icon is a link to an image or lightbox slideshow.