There's a rather interesting article i've bookmarked a while ago. Which may help those who are trying to learn a thing or two about 2d platformers.
http://platformerpower.com/platformer-design
Article about Platformer Design
Re: Article about Platformer Design
Those are great articles, particularly the camera section which explained the camera snap mechanics of Super Mario World perfectly. I want to do a scrolling game some day and there is a lot of information I have picked up and will use.