I think a tutorial on your main menu would be nice. Let me explain a little.
You click "Tutorial" and you are sent to a single player Space Base. Kind of like the beginning of Halo 2. From there implement real players from tremulous who have played for a long time, and one or two clans who have played for a long time and have them be in the Base with you. You have players who have played and helped tremulous I.e Superpie and lets just say he would be you guide. He will walk you around to different sections of the Base where you learn all the basics of tremulous. You have it to where other players who have helped are actual people on the ship that are Captians or your basic crew men that each have some usefull information they would tell you to help you get to know basics. As your guide walks you through the ship to meet your captains and higher ranked players all from actual players of the game, he will then take you a clan. Im going to use OPP for this example. Your guide drops you off and now each member of the clan would show you how to do basic things, battle movements, what each button does, go over each weapon and allow you to test each one, Basic defense equipment,and basically go over everything you need to know to start off as a human. With each member of that clan teaching you a different thing. And of course after that they put you in a contained battle against some dretches the humans have caught and allow you to practice until you are content. Then you will be able to battle along side of them and fight bigger aliens to show importance of teamwork in tremulous. Of couse the humans and aliens will be bots. After completion of this your guide comes again and takes you to your seargent, or what ever you wana call him and he will pass you on now becoming a marine. After that you are free to move about the ship and go over anything with any of the people on the ship if you didnt understand anything. Thats my basic idea. There is more to the humans but i dont wana type it all out if you guys feel its a dumb idea.
Of course I also have a tutorial for the aliens already planned out in my head. Its basically the same as humans only there are some changes of course. I.e you in a alien lair and they dont speak the make alien sounds and on the bottom of your screen it tells you what they are saying. And some other changes. The real life trem players used as humans are not the same as aliens. To allow more players to be invovled int his we would use differnet players and a different clan.
If you guys like my idea please say so. If not say you dont lol. If its a good idea and maybe a Dev wants to try it out. I would be more than happy to help out. I think this idea would greatly help new players a lot, and help better players because then you dont have to worry about them feeding, or getting in the way or asking questions all the time.