Read Most Common Pronunciation Mistakes Heard in Oral Exams at http://www.cristinacabal.com/?p=5903
Oh my, this video is a mirror image of the discussions my child has with me on a daily basis. My bilingual child corrects my English all the time. And some folks ask me to say certain words because I never get them right in English. Who can relate?
See a great example here:
For your PD: http://tesol.sclivelearningcenter.com/index.aspx