Legion of the Damned

I just totally scored the Boxed 5 man squad of Legion of the Damned at a local hobbytown....

Scout Shotguns and Cadians

Has anyone ever used the Shotgun scout arms from the plastic scout box and used them with standard Cadian plastic models? If so how did they turn out?

I am thinking about using the arms for a squad of Veterans.

Random Thought

Marines from the Movie Avatar= Catachan Imperial Guardsmen

Magnets Part 2

I am ready to try magnets on the new demolisher kit so I can change out both weapon options on the side sponsons, front weapon and the turret. What size magnets should I use for this? I am mostly concerned about the magnets being strong enough to hold everything firmly in place. If someone can link me to an ebay auction or website I would be very appreciative.

Magnets

I am getting a demolisher kit rolling out but I want to take advantage of all the weapon options by using magnets, Personally I have never worked with magnets and I was wondering if anyone had any tutorials or tips.
Thanks!