http://www.hindibhasha.com
The second is, well, it's almost a joke, if it wasn't so damn informative:
Youtube Channel: Hot For Words
Do proceed with caution on that one - especially the "bitch slap" video, because it's extremely hard to explain that one.
Despite her, ah, unprofessional appearance, she has a sort of quirk, and it's easy to understand her lessons. Which is why I'm daring to link her on this community - because I am learning a lot from that Marina.