.qc (dot qc) - the group for quake c coders of all denominations. If you make quake one mods and write code in quake c, join our group! I'll try to answer any quake c questions - please post your inquiry in the forums...
Any model with engine effects (rocket trail flag set, etc.) leaves a trail when sv_freezenonclients is true and the player moves the model. I think its the coolest thing.