I was going to link to his Youtube page, but it seems these videos are unlisted! Here are the 2 I have so far:
Harstem - Reynor, Byun, Oliveira, Clem in $42000 StarCraft II Tournament
Harstem - Serral, maru, Dark, Cure and more in $42000 StarCraft II Tournament
They just keep coming: SERRAL vs MARU. REYNOR vs herO + More$42000 StarCraft II Tournament /w harstem