Rob over at Cockeyed.com is just brilliant. A few years ago he built this paparazzi costume for Halloween. Quite an inspiring rig he came up with. Not to be outdone by himself, he went on to build a Dr. Octopus Costume in 2004. These are a must see if your going to be making your own costume.
Cockeyed Presents: The Paparazzi Costume and Lucasfilm Costume party, 2000