HaloMods "Classic" Read-only Archive

So i found a model i really like @ http://forums.halomods.com/viewtopic.php?t=54827 however i have no idea how to inject it into the game. If you look the model is being used in blood gulch; however, can it be injected into a SP map and still work? And most importantly how do i inject models? Ive look for tutorials and i read somewhere that jsk has one but i my efforts were in vain, i found no tutorials on injecting models,

Since you mentioned Jsk, I assume you mean mac pmi.
I quoted the tutorials that come with the mac modding utilities d/l here.
If you need the PC pmi, it's here. Although SP rebuilding is something I'm not sure of for PC