Bottle Preloader (AS3) is a Scripts software developed by flashden. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Bottle Preloader (AS3):

BSEditor: a preloader with as3 (so you will need cs3 in order to use this)

You can change bottle, particles easily. You can set the where shoud particles come, their speed, number, Friction etc.