gazebo_models/bus_stop/materials/scripts/bus_stop.material

material bus/station
{
	technique
	{
		pass
		{

			texture_unit
			{
				texture pic.png
			}
		}
	}
}

material bus/tag
{
	technique
	{
		pass
		{

			texture_unit
			{
				texture bus.png
			}
		}
	}
}