There's a thread from Anne explaining it all.
If you ever have any questions regarding this stuff, there are a lot of threads in the Announcements forum
Each forum has a different set amount for how many points you get per post. You can check that by scrolling to the bottom of the selected forum & it will tell you how many points you get for posting & starting a thread.
Like in The Cat Lounge, you get 5 points per post & 15 points per thread you start.
In Fur Pictures its 1 point per post & 1 point per thread you start.