No, this shot of the Samuel Beckett Bridge in Dublin was not taken with a fisheye lens . . . I've finally worked my way down to the manual section of the Lens Corrections section of Lightroom 4. It has some fascinating possibilities.
Try it in fullscreen size in the Light Box if you have time.
I have now removed all my photographs from the Creative Commons
Attribute Sharealike licence as I am unhappy with the way it has worked out.
All my photographs have now been relicensed with full copyright to
me and All Rights Reserved.