This tool will allow you to scaling populate people and simulate it in one click.
Terms of use:
The use of the script is an "As is". The author assumes no liability with regard to any kind of damage (hardware and software) caused by the use of this script. Are not responsible for any damage or cancellation or modification of the work, files, crash and or any problem in 3dsMax or computer. So if you installed the script,you accept the above conditions and declines any my responsibility.