The proposals

Sky Plinth
Anish Kapoor

One and Other
Anthony Gormley

This one requires a little explanation: Gormley proposes that the plinth will be occupied 24 hours a day by members of the public. People will be able to apply to spend an hour on the plinth and will be allowed and encouraged to do whatever they want up there...

Faîtes L’Art, pas La Guerre (Make Art, Not War)
Bob and Roberta Smith

The Spoils of War (Memorial for an unknown civilian)
Jeremy Deller

Something for the Future
Tracey Emin

Nelson's Ship in a Bottle
Yinka Shonibare

Find out more at The Fourth Plinth