Frieze art fair in pictures: Roll up, roll up!

Lighten up ... a woman walks past Daniel Firman's Butterfly, a spectacular work in neon Photograph: Leon Neal/AFP/Getty Images

Courtesy of Scandinavian duo Elmgreen and Dragset, visitors to this year's fair are confronted almost immediately with Catch Me Should I Fall – a diving board surmounted by a mannequin of a small, worried-looking boy. An invitation to jump in, or a comment on the anxiety of the art market? Photograph: Sarah Lee for the Guardian

The Guardian's Adrian Searle tries out Donation Box (2010) by Nick Relph, an old GPO telephone box made into a gentle joke at Tate's expense. (The box mimics those found in Tate galleries.) Photograph: Sarah Lee for the Guardian

Annika Ström's Ten Embarrassed Men, one of this year's Frieze projects: a posse of 10 actors employed to wander around the fair, looking embarrassed about the state of the artworld Photograph: Sarah Lee for the Guardian

Nathaniel Mellors' The Preface, a typically droll sculpture. Mellors is tipped as a young(ish) British artist to watch Photograph: Leon Neal/AFP/Getty Images

Darren Lago's Happy Shopper, an intriguing marriage of vintage bike and alien lifeform Photograph: Leon Neal/AFP/Getty Images

A young visitor peers in at a section of the buried Frozen City excavations by Simon Fujiwara. Fujiwara's mock-archaeological sites are dotted through the fair, hinting at long-buried artworld history Photograph: Leon Neal/AFP/Getty Images

Bad day at the office? Alex Buldakov's Files (2010) does what we've all wanted to do Photograph: Sarah Lee for the Guardian

Marcus Coates's Shamanic Costume, for Consultation in Elephant and Castle. Coates's work often references the natural world; he once employed a cast of humans to sing specially commissioned birdsong Photograph: Sarah Lee for the Guardian

I'm Dead by David Shrigley, part of a stand devoted to his work at the fair, also references taxidermy – with deadpan comic effect Photograph: Leon Neal/AFP/Getty Images

Jon Pylypchuk's The Pack will no doubt resonate with anxious ex-smokers everywhere Photograph: Leon Neal/AFP/Getty Images

Francis Stark's The Inchoate Incarnate: After a Drawing, Toward an Opera, But Before a Libretto Even Exists (2009). (No, we have no idea either.) Photograph: Sarah Lee for the Guardian

No serious artlover's home would be complete, surely, without Los Carpinteros' Reading Room (2010): a tent-cum-360-degree-bookshelf into which visitors are invited to wander Photograph: Sarah Lee for the Guardian

Everyone's favourite daily even makes an appearance, albeit in customised form. Marine Hugonnier pastes images from Ellsworth Kelly's Line, Form, Color on to newspaper front pages for her Art for Modern Architecture series. This is Guardian: Communist Series 2 (2010) Photograph: Sarah Lee for the Guardian

Spartacus Chetwynd's A Tax Haven Run By Women: two teams perform mime and dance routines to compete for the prize of a ride on the Cat Bus, a character from Studio Ghibli’s anime film My Neighbour Totoro. Adrian Searle described it as 'delightful, stupid, faintly nightmarish and carnivalesque' Photograph: Sarah Lee for the Guardian

Think contemporary art is a load of rubbish? Wolfgang Ganter and Kaj Aune agree. This is Trash (2010), an installation in the Frieze sculpture park. It's not as straightforward as it seems: three times a day, the whole lot begins to perform for the crowds ... Photograph: Sarah Lee for the Guardian