Help with this please (pics included)

[messsy]

Ive just been to look at a berlingo on a P reg, 1997 i think, its either a 1.6 or 1.8 im hoping you could help me here.

The van has covered 118,000 miles

The problem is on the third injector there is what looks like oil seeping out
I started the motor and actualy saw for myself, after thinking carefully it may be where oil has leeked onto and there is an air leak from the injector

the problem is on the third one

[Image: 358nxnn.jpg]

but ive circled the first as its a better view

[Image: am5rpy.jpg]

Also can you see any other problems regarding the oil leak?

Thanks all for any help and hope its as simple as an O ring