If you're interested in pronunciation, IPA and learning English, do check out these links:
Fluent Forever Blog: http://blog.fluentforever.com
Anki Language Learning: http://ankilanguagelearning.com
Anki Decks, including IPA and English: http://speakada.com
Reddit's Anki Language Learning Community:   / ankilanguagelearning  
Wiki's article on IPA: https://en.wikipedia.org/wiki/Interna...
English Phonology: https://en.wikipedia.org/wiki/English...
Place of Articulation: https://en.wikipedia.org/wiki/Place_o...

The third video tutorial on the International Phonetic Alphabet and English Pronunciation. This one covers the English Vowels and vowel characteristics in general Height, Rounding and Backness, with the eventual goal of helping you learn your target language pronunciation based on better understanding your native language.