Noticing how your mouth and tongue move while you is a great first step.
To glow means to shine, or to create light in a dark place.
Where does it come from? We have zero tolerance policy against any illegal pornography.
Naught, as a living word, is more British than American, however, and rarely would an American ever be heard saying the word naught outside of a mathematics-based class.
It is also good to remember not to pronounce a strong T at the middle or end of a word.
In fact, many characteristics of American English are due to encounters with other languages and dialects.