TF2 Quick Tips #18: How Points and Scoring Work
I explain the scoring system in TF2. Hit "tab" to see the scoreboard at any time while you're on a server. I told you I was working on a new vid!! :P
Reference: http://wiki.teamfortress.com/wiki/Poi...
Note: Not every single possible point-getting action is cataloged here (e.g. using the manmelter to extinguish a teammate), but almost all of them are. Let me know if I got something wrong. It's certainly possible.