A really good set of Helicopter Simulation videos which I came across on the web.  Nice one Freddy!

Rc-heli flight lesson 1...learning the basics (freddys flight academy)

Rc-Heli flight lesson 2... tail turns vs momentum turns

Rc-Heli flight lesson 3... Figure eights and variations

Rc-Heli flight lesson 4... Intro to inverted flying

Rc-Heli flight lesson 5... basic inverted hovers and orientations

Rc-heli flight lesson 6... Flip and roll combos

Rc-heli flight lesson 7... collective stops and throttle pumps

Rc-heli flight lesson 8... Tick tocks and variations

Rc-heli flight lesson 9... Piro flips and variations

Rc-heli flight lesson 10... Auto rotations