Pronunciation Workshop
http://soundsofspeech.uiowa.edu/
Video clip 1: https://www.youtube.com/watch?v=2X9JACD3qJM
Video clip 2: https://www.youtube.com/watch?v=PWJv-l6OvAY
Video clip 3: https://www.youtube.com/watch?v=GhwAARLgwqQ
Video clip 4: https://www.youtube.com/watch?v=CNL5BmWQGiI