hey guys. i found these videos and found them kinda useful and easy. hope this helps
http://highered.mcgraw-hill.com/olc/dl/120090/bio44.swf
http://highered.mcgraw-hill.com/olc/dl/120106/anim0035.swf
http://highered.mcgraw-hill.com/olc/dl/120107/anim0015.swf
http://highered.mcgraw-hill.com/olc/dl/120112/anim0043.swf
http://highered.mcgraw-hill.com/olc/dl/120082/bio36.swf
http://highered.mcgraw-hill.com/olc/dl/120082/bio34a.swf
http://highered.mcgraw-hill.com/olc/dl/120078/bio39.swf
http://highered.mcgraw-hill.com/olc/dl/120076/micro04.swf
http://highered.mcgraw-hill.com/olc/dl/120074/bio19.swf
http://highered.mcgraw-hill.com/olc/dl/120073/bio14.swf
http://highered.mcgraw-hill.com/olc/dl/120090/bio44.swf
http://highered.mcgraw-hill.com/olc/dl/120106/anim0035.swf
http://highered.mcgraw-hill.com/olc/dl/120107/anim0015.swf
http://highered.mcgraw-hill.com/olc/dl/120112/anim0043.swf
http://highered.mcgraw-hill.com/olc/dl/120082/bio36.swf
http://highered.mcgraw-hill.com/olc/dl/120082/bio34a.swf
http://highered.mcgraw-hill.com/olc/dl/120078/bio39.swf
http://highered.mcgraw-hill.com/olc/dl/120076/micro04.swf
http://highered.mcgraw-hill.com/olc/dl/120074/bio19.swf
http://highered.mcgraw-hill.com/olc/dl/120073/bio14.swf