EXIF tags in 'abandon3d-2.jpg' ('Intel' byte order):
--------------------+----------------------------------------------------------
Tag |Value
--------------------+----------------------------------------------------------
Software |Picasa 3.0
x-Resolution |72,00
y-Resolution |72,00
Resolution Unit |Inch
PixelXDimension |500
PixelYDimension |375
Exif Version |Exif Version 2.1
FlashPixVersion |FlashPix Version 1.0
Color Space |Internal error (unknown value 65535)
Interoperability Ind|
Interoperability Ver|0100
--------------------+----------------------------------------------------------
Doesn't mean a thing however, these tags could be from anywhere really.