Pete

The link (not an icon) is next to the 'Logout' link on the LHS at the top, just below the 'Invite Friends!' link.

You have to be logged in to have the link visible.

Hope this helps. :)
The Quiffster

Unregistered user?, Why not come in out of the cold? It's painless, free and opens other options up to you. Spare less than a minute of your time and register here, go on, you know it makes sense!