Spot the odd one out

One of these is an ugly blot on an otherwise charming landscape.

File information
Filename:	ugly~0.jpg
Album name:	Delamanda / Weekly Competition Album
Filesize:	212 KiB
Date added:	Feb 28, 2010
Dimensions:	510 x 340 pixels
Displayed:	73 times
Color Space:	sRGB
EXIF Image Height:	340 pixels
EXIF Image Width:	510 pixels
Resolution Unit:	Inch
Software:	Adobe Photoshop Elements 6.0 Windows
Y Resolution:	72 dots per ResolutionUnit
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