Because it's not like they're touting your fic around as part of their personal representation, but an icon is a way that some one represents themselves. If they like it enough to want to use it to convey their emotions and interests, they owe the person who made it a line or two I should think, since they certainly didn't buy it.
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winterfish
no subject
Date: 2007-10-25 06:31 pm (UTC)