31st October 2010, 8:57 PM
Folders in Windows automatically set up thumbnails under windows based on the contents. That's by design, and helps you to identify the contents at a glance. You can disable this feature in folder options however.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)