I would check the breathing system .  I have seen this cause oil  leaks.
later Mark d

In a message dated 3/13/2010 1:51:37 A.M. Eastern Standard Time,
starwagen@GMAIL.COM writes:

A friend  has oil leaks from the seals on her 1.9L.  Question is, if the
leaks  are small (getting some spray in the engine compartment?) can those
seals  have a sudden, complete failure and really endanger the engine or can
she  limp along for some time and just make sure the oil level is kept  up?