Strange engine noise coming from passenger side valve cover!!

[Dashti]

I'm having strange noise coming from passenger side valve cover on a cold start only

Vid:
http://youtu.be/bSxOtpYzrjc

 

[hitmix300]

Sounds like a lifter tick

 

[cb900f]

Sounds like a lifter tick

I would agree. I've seen ID1000's tick like a mofo, but I don't hear mutliple.