Pros:

Good detailed texture
Feels natural

Cons:

None that I can see

Conclusion:

Is a good detailed texture which feels at home with L4D2

Pros:

It glows
Very cleaver use of texturing
Helpful in dark locations

Cons:

None

Conclusion:

Making the glow constant is a great improvement over the animated one from previous.

Pros:

It glows!
Good detail on the jar
It glows!

Cons:

I don't like the turning on and off, would prefer it just to stay glowing

Conclusion:

A very good quality mod with only a couple of tiny faults