If you have more basic time-lapse questions, like "what is an intervalometer?", I have written a blog on doing a basic time-lapse:

danieldragonfilms.wordpress.com/2010/05/25/how-to-do-time-lapse-canon-7d/

Lens: Tokina 11-16mm. It's a gem, hard to find, but worth it.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…