"Easy Light-Linker" Python script for Maya. Features include the ability to select geometry and lights and quickly link or unlink them with the click of a button. In addition the user can find all objects or lights currently attached to a single selected object with the "select attached" button.

Download from Creative Crash:
creativecrash.com/maya/downloads/scripts-plugins/lighting/c/easy-light-linker

See nelsonjesse.blogspot.com/2011/09/easy-light-linker-for-maya.html for more info.