Keep in mind, I haven't tested this:
ParticleSystem SmokeGrenadeSmokeCloud
Priority = CRITICAL
IsOneShot = No
Shader = ALPHA
Type = PARTICLE
ParticleName = EXCloud01.tga
AngleZ = 0.00 0.50
AngularRateZ = -0.01 0.01
AngularDamping = 0.99 0.99
VelocityDamping = 0.98 0.99
Gravity = 0.00
Lifetime = 200.00 200.00
SystemLifetime = 400
Size = 5.00 15.00
StartSizeRate = 0.00 0.00
SizeRate = 1.00 5.00
SizeRateDamping = 0.95 0.95
Alpha1 = 0.00 0.00 0
Alpha2 = 0.50 0.50 20
Alpha3 = 0.00 0.00 200
Alpha4 = 0.00 0.00 0
Alpha5 = 0.00 0.00 0
Alpha6 = 0.00 0.00 0
Alpha7 = 0.00 0.00 0
Alpha8 = 0.00 0.00 0
Color1 = R:128 G:128 B:128 0
Color2 = R:0 G:0 B:0 0
Color3 = R:0 G:0 B:0 0
Color4 = R:0 G:0 B:0 0
Color5 = R:0 G:0 B:0 0
Color6 = R:0 G:0 B:0 0
Color7 = R:0 G:0 B:0 0
Color8 = R:0 G:0 B:0 0
ColorScale = 0.00 0.00
BurstDelay = 5.00 5.00
BurstCount = 1.00 1.00
InitialDelay = 0.00 0.00
DriftVelocity = X:0.00 Y:0.00 Z:0.02
VelocityType = OUTWARD
VelOutward = 1.00 2.00
VelOutwardOther = 0.25 0.50
VolumeType = CYLINDER
VolCylinderRadius = 30.00
VolCylinderLength = 5.00
IsHollow = No
IsGroundAligned = No
IsEmitAboveGroundOnly = No
IsParticleUpTowardsEmitter = No
WindMotion = Unused
WindAngleChangeMin = 0.149924
WindAngleChangeMax = 0.449946
WindPingPongStartAngleMin = 0.000000
WindPingPongStartAngleMax = 0.785398
WindPingPongEndAngleMin = 5.497787
WindPingPongEndAngleMax = 6.283185
End
