I found a script that allows me to add a watermark to a hotlinked image (such as the new Google Image search results). The script would present a watermarked image to Google instead of the non-watermarked image presented to actual users.
Any speculation as to how would Google react to this?
[edited by: tedster at 2:10 pm (utc) on Apr 24, 2013]
[edit reason] removed a link [/edit]