Most streaming issues can be resolved by installing the most recent version of Flash, which can be found by Clicking Here. Even if your browser THINKS that flash is updated, update it anyway. As a last resort, use the following video: (which will play on anything, but costs me a lot more $) :-/
The Roundhouse from the front of your stance has the potential to be a game changing weapon, with unbelievable knockout power (and range). However, the world of Muay Thai has somehow polluted the use of this weapon, and replaced it with far inferior 'switch kicks', when they are less than ideal in the majority of circumstances.