if you don't want to reblog the graphic you can just open the reblog option in a separate tab and then click "post as" at the top and choose quote. it automatically gives you the source address. if not, it will give you the person you're reblogging it from.
long-winded but the only way i know of doing it...
no subject
Date: 2012-01-13 11:55 pm (UTC)long-winded but the only way i know of doing it...