What are the best theatrical gels for creating these effects: nighttime, candlelight?

I am doing an outdoor amateur production, and we have 4 halogen lamps to work with. I need to soften the light considerably so they don’t look like… well… halogen lamps. I would like to create the effect of moonlight and candlelight, but since I am unfamiliar with lighting design I don’t know what colour [...] http://bit.ly/9AVd2K