For those of you who understand Spanish, here is a couple of nice chess lessons about how to get the initiative back in a game and put the pressure on your opponent:  
https://www.youtube.com/watch?v=9yQaSt2NjMU 
and how to make chess traps:
https://www.youtube.com/watch?v=CAEV26CArhQ
This guy has some other videos too but I didn't find them so funny...