i created this fx file for my project..hope it helps you
[Library Effect]
Lifetime=5
Version=2.00
Radius=30000
Priority=0
[Properties]
Spot=1
Tower=1
Map=1
[Emitter.0]
Lifetime=0.00, 0.00
Delay=0.00, 0.00
Bounce=0.00
Rate=1.00, 1.00
X Emitter Velocity=0.00, 0.00
Y Emitter Velocity=0.00, 0.00
Z Emitter Velocity=0.00, 0.00
Drag=0.00, 0.00
X Particle Velocity=0.00, 0.00
Y Particle Velocity=0.00, 0.00
Z Particle Velocity=0.00, 0.00
X Rotation=0.00, 0.00
Y Rotation=0.00, 0.00
Z Rotation=0.00, 0.00
X Offset=0.00, 0.00
Y Offset=0.00, 0.00
Z Offset=0.00, 0.00
Pitch=0.00, 0.00
Bank=0.00, 0.00
Heading=0.00, 0.00
[Particle.0]
Lifetime=1.10, 1.10
Type=19
X Scale=0.80, 0.80
Y Scale=0.80, 0.80
Z Scale=0.00, 0.00
X Scale Rate=0.20, 0.20
Y Scale Rate=0.20, 0.20
Z Scale Rate=0.00, 0.00
Drag=0.00, 0.00
Color Rate=0.00, 0.00
X Offset=0.00, 0.00
Y Offset=0.00, 0.00
Z Offset=0.00, 0.00
Fade In=0.60, 0.60
Fade Out=0.60, 0.60
Rotation=0.00, 0.00
Static=1
Face=1, 1, 1
[ParticleAttributes.0]
Blend Mode=2
Texture=fx_2.bmp
Bounce=0.00
Color Start=255, 0, 0, 255
Color End=255, 0, 0, 255
Jitter Distance=0.00
Jitter Time=0.00
uv1=0.00, 0.00
uv2=0.50, 0.50
X Scale Goal=0.00
Y Scale Goal=0.00
Z Scale Goal=0.00