How do i use specific extensions? Does anyone have a good tutorial? Is it like basically replacing a normal openGL call with an extension? eg:
glBlendFunc(some_extension)
??
Hey, rather than one of us re-writing all the documentation out there for you, here’s a couple good places for you to start learning about OpenGL extensions. I’m just learning about them too, and have found these very helpful. 
http://www.opengl.org/developers/documentation/extensions.html
And check out this Extension loading library, this guy has some good info: http://www.uni-karlsruhe.de/~uli2/index.html
I’ve used the extgl lib to get 1.2/1.3 functionality working in my code, as well as multitexturing.
Hope that helps!
[This message has been edited by yakuza (edited 02-12-2002).]