Leaking valve cover gasket? What else could this be ? : subaru(02)

Leaking valve cover gasket? What else could this be ? : subaru(02)

Video Screenshot Gallery: Leaky Valve Cover

How To Fix A Cracked Plastic Valve Cover at Thomas Gabaldon blog
When does the valve cover gasket need to be replaced?
Leaking valve cover gasket? What else could this be ? : subaru