Now, there's a strange problem with sprite effects in the effect.ini file. For example I made a sprite effect and atattched it to a projectile, OK, but when I fire the projectile there are actually two sprites: one on the projectile, and another sprite efect (the same one) following the first one... This is really strange, it also happens to muzzle flashes on weapons when I fire and rotate the mouse quickly.
For those, who didn't get what I wanted to ask, here's a shot: