camShaker is a tool which help you to animate your camera vibration, and destabilisation (as a camera in hand )
only use the amplitude x,y,z and frequency attributes.

camShaker How to :

import the file camShake.ma in your scene.
make an empty group and parent your camera to it. (or directly group your camera) NB : please keep the pivot on the world origin, and do not rename the imported file.
( example : name of tool in outliner : "camshaker:tool". you can change only the name of "tool" )
with the connexion editor, connect the camshaker, outputShaker atribute to your empty group translate channel.
If you need more different destabilises, import again the camShaker.ma.
An attribute integrated in this tool called "phase" can be used to change the step of randomise.

that's it !!

enjoy

note : the destabilisation will always be the same by each pass playing. It's good for the multi pass render...