It basically works dropping multiple images with Firefox running No Script...
I say "Basically" because I dropped images into two "
Click here to Upload a Photo..." windows and the image from the first drop window disappeared from preview after the 2nd drop even the the IMG code is still there. (See image HTTP locations at bottom...)
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1st drop
http://forums.pelicanparts.com/uploads26/962_body+mismatch1480324115.jpg
2nd drop
http://forums.pelicanparts.com/uploads26/62_Lincoln1480324209.jpg
http://forums.pelicanparts.com/uploads26/Empty_set1480324209.jpg