For those who don't know

[Noskill]

Kurt Osiander seems to be a great instructor. He adds great details to the most basic stuff.

Mount
YouTube - Move of the Week - Kurt Osiander - Ralph Gracie Black Belt
YouTube - Move of the Week - Kurt Osiander - Ralph Gracie Black Belt
YouTube - Kurt Osiander - Move of the Week - Gracie Jiu Jitsu

Butterfly guard
YouTube - Move of the Week - Kurt Osiander - Guillotine from Butterfly

 

[ooitzoo]

...?

 

[Mister Nitro]

His techniques are pretty solid. I like em.