Yeah you can make a light white (or whatever, but white takes tints better)  then apply a gel, and make the GEL coloured and/or animated, and that will do it :)
No worries!

"I'd rather be a Fool who believes in Dragons, Than a King who believes in Nothing!" www.silverblades-suitcase.com
Free tutorials, Vue & Bryce materials, Bryce Skies, models, D&D items, stories.
Tutorials on Poser imports to Vue/Bryce, Postwork, Vue rendering/lighting, etc etc!