Hi,
basic is Fire and Police... yes ok, Police is rangers (new)
Have new ambulance but without hospital
I like this:
4206 Recycling Truck
4431 Ambulance
4432 Garbage Truck
4433 Dirt Bike Transporter
4435 Car and Caravan
Yes 4 minifig is very ok... in my veicle have only two
Yes, is not easy.. in italy we have four different stripers
Rick for me, your veicle is very nice