Could you please verify this?
From "http://download.oracle.com/docs/cd/E17409_01/javase/tutorial/ui/features/dnd.html" page,

I can see the below sentence:
    "The Company icon region in the Details panel accepts a dropped image (jpg, png, gif, or tif)."

But, I can't found how to do this with PasswordStore example application. It's not work to me.