Site for those who have just started and need the basics:
Crash Course Guide to LD- Has everything a novice needs to know.
Complete Guide to LD- Lots of info ranging from LD history to strategy.
Northview LD Five Minute Guide to LD- Great site for those in a hurry.
More involved sites that include a variety of useful information:
Forensics Online LD Section- Explains LD, case structure, and flowing.
TogaLD's Novice Area- Contains a few basic LD skills articles.
Spirophita Debate- More articles and some condensed philosophies.
Sites that provide sample cases:
Mike's Abode- Many cases from several resolution.
Leslie's Debate Page- Numerous cases that serve as good examples.
Other sites that may provide some help:
Sirius Forensic's Stage to Writing the LD Case- Very complicated and hard to understand from a novice perspective.
Jen's LD Help Page- General help with basic ld skills and a few tips.
LHS Forensics LD Page- An LD Quiz and some other basic stuff.
Lincoln-Douglas Stuff- Some basic format material and a little more.