There are now at least six Echo Bazaar wikis out there and a substantial passel of fan projects. A number of these projects have politely contacted us to ask if we mind our content being used: so to save us rewriting the same email, here's the policy, on both text and images.
We consider reproduction of our content in a wiki to be fair use, as long as it's a guide to get around the game and not a content dump - and as long as it's not for profit. Specifically we ask that
(1) the site includes a copyright notice: 'All material here is (c) Failbetter Games 2010, used by permission.'
(2) the site includes a link back to www.fallenlondon.com
(3) spoilers are clearly marked
(4) the site doesn't include any premium, Fate-locked content. Sharing this stuff is like uploading a novel you bought to the web so everyone else can read it for free: it takes bread out of the author's mouth. So please don't do that.

On fan fiction. Our attitude is basically, we love that you love us. We ask you to link back to the site and acknowledge the original work, of course. The content team don't usually read or link to fan fiction (to safeguard against the small but nuclear possibility of someone claiming we've used original ideas they've put in the fanfic, and suing us...) but we're really glad that people like living in Fallen London, and want to share their stories.

If you've got an exotic fan project that doesn't seem to fit these guidelines, please mail us at echobazaar [at] failbettergames.com and ask. We generally say yes, unless it's a for-profit venture, in which case we'll say, let's talk terms. :-)

Thanks folks. Have a delicious Christmas.

[EDIT: added the point about for-profit activity being different.]

[Copied this to a page linked from the sidebar.]