Sounds Familiar? (页面存档备份,存于互联网档案馆) — Listen to examples of regional accents and dialects from across the UK on the British Library's 'Sounds Familiar' website
Howjsay (页面存档备份,存于互联网档案馆) — Enter a word to hear it spoken. About 100,000 words in British English with alternative pronunciations.