material Particles/tire_smoke
{
  receive_shadows off
	technique
	{
		pass
		{		  
			lighting on
			depth_write off
			separate_scene_blend src_alpha one_minus_src_alpha one_minus_src_alpha src_alpha
      
      ambient 1 1 1 0.5
			diffuse 1 1 1 0.8
			texture_unit
			{
				texture tools/os3dplugins/physic/physicvehicle/part/smoke_particle.png
			}
		}
	}
}