Job: Looking for Particle Effect Maker

Looking for someone who can make and/or port particle effects to Garry's Mod.

Title says all. Looking for someone to make some nice particle effects for upcoming works. Particle effects wanted include missile trails (burning and burnt out), explosive effects, directed energy weapon fire, and other pyrotechnic hijinks. How or where you get or make these from, is no concern of mine (as long as its legal, lol).