The screenshot is freely available via a link on the frontpage of http://www.castleinfinity.org
(Available at http://castleinfinity.org/tos.php) The copyright info provided is as follows: "Only the software available from the publicly accessible sections of castleinfinity.org may be freely distributed."
This certainly seems to fit with the Fair Use rationale provided by the "Game Screenshot" tag.
(Additionally, is this the ideal place to post the Fair Use Rationale?)
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