Here's a quick and easy tut:
Link:
-Personally, I would also magnetize for this tut, but that's personal preference.
Another example. No tut, but kind of explains what's going on in the photos. I'm not as big a fan of this, but it could easily be changed with different bits:
Link:
A slightly different take on the approach:
Link:
Personally, my take when I get around to doing it:
Chop a barrel off the
TL Lascannon on top (or make hole new apparatus in general, might look lopsided if you just chop it).
Use 1 of the hatches to put in 2 plasma gun bits (similar to a few of the examples). Then, you've got your main turret (las) with a
TL plas mini-turret. Time and money
atm demand I probably just go for the 1st tut.