I don't understand why anyone would have to create a custom layout for the TM Hotas. The stick is supported right out of the box and has it's own mapping system built in. You can create a custom control scheme without losing the brake and zoom functions.
These should help with the basic layout
http://img266.imageshack.us/img266/8...ustmaster1.jpg
http://img62.imageshack.us/img62/183...ustmaster2.jpg
StiC