How to pronounce the sound"Th"

When you speak english you like to sound english don't you ? I have got something very funny to show you to pronounce "Th"
TH (voiced) To pronounce the Voiced TH, put the tip of your tongue between your top and bottom front teeth and vibrate your vocal cords, then pull your tongue back to pronounce the rest of the word. than, then, this, there, that, either, weather, other, bather, smooth, clothe, scythe
TH (unvoiced) To pronounce the Unvoiced TH, put the tip of your tongue between your top and bottom front teeth and let air escape around your tongue, without your vocal cords vibrating. thank, thin, think, thought, thump, therapy, bath, with, moth, path, youth
But les deschiens can help you.

There are differents way to pronounce "th":
- put a finger in front of your mouth and try to tuch with your tongue
- having a hot potatoes in your mouth

Anyway, if someone in front of you try to say "the", forecast an umbrella (because of postilons)