Spectrum is a bundle of 2 very customisable generators for all hosts supported by FxFactory designed to create stylized light and color effects. Light Effect Generator can be used either to create unusual backgrounds or subtle overlays. Light Transition Generator allows the user to create freely interpreted quick light and color transitions over a given cut point.
Home Page - http://www.lucavisualfx.com/plugins/spectrum.php 
TO MAC USERS: If RAR password doesn't work, use this archive program:
RAR Expander 0.8.5 Beta 4 and extract password protected files without error.
TO WIN USERS: If RAR password doesn't work, use this archive program:
Latest Winrar and extract password protected files without error.
