Crashes the simulator ( Version 2011.334 (2011.1.20) ) on OSX, every time.
require "physics"
local particle = display.newImage( 'hat1.png' )
physics.addBody( particle, { density=1, friction=1, bounce=1 } )
[import]uid: 4596 topic_id: 8440 reply_id: 308440[/import]