A few nice photo lights images I found:
Inishowen Light
Image by Janek Kloss
Inishowen Lighthouse - Stroove (Shrove) Co.Donegal
More information about lighthouse on cil2.adnet.ie/index.php3?LighthouseID=38
Spot Lights
Image by Plamen Stoev
Original photo by Plamen Stoev Photography.