pronunciation practice sites

http://www.englishcentral.com/

http://www.sozoexchange.com/

http://rachelsenglish.com/intonation    - tips about how to pronounce English sounds clearly

http://www.youtube.com/user/TarleSpeech#g/u    - tips about how to pronounce two similar sounds such as fork and folk

http://www.youtube.com/user/SeattleLearning#g/u

http://www.breakingnewsenglish.com/    practice materials using news