Our corpus-based pronunciation learning website provides a spoken corpus of the English of Hong Kong and Mainland Chinese learners, a wide range of resources and exercises for pronunciation learning and teaching, and a Praat beginners' manual.
American English Pronunciation Practice
Pronunciation Techniques on About.Com
ESL Pronunciation Work Page
You can find many useful pronunciation learning resources here.
You can find the pronunciation features of China English and Hong Kong English in detail.
You can find a step-by-step Praat learning manual for beginners.