I think i understand what your after, though is the wrong board really...
So you want an indie group to make your game for you, then charge you the excess?
See your being very, very vauge about this and honestly your going the completly wrong way about it, try downloading FPS creator trial version and play with that. Buy some model packs and other user created content and try making the stuff yourself. Am sure thats thiers swords ect for sale in the store,
Normally these threads get flamed upon, But i take your a teacher no?
Anyway, most people are reluctant to get stright into it. As you are, I think Fpsc is on a rebate atm, so it shouldnt be that expensive.
If you cant find any models for that you need, then ask people on this board, some people may happily do it for free, while others may need to charge you, Mainly because it takes some time and effort to create models.
Any other questions please ask away,
Mods please dont lock this ^^