Design symbols for use with Milestones

Question:  

Is it possible for me to design/create my own special symbols for use in Milestones Pro?  If so, can you send a link to an explanation/tutorial? 

Answer:

Yes, Milestones offers a built-in symbol maker which make it possible to design symbols and use them on a Milestones schedule.

See: Symbol Maker

It's also possible to use an existing bitmap as a symbol.  See: Add a bitmap symbol to the toolbox.