Useful LaTeX links
Introduction to LaTeX: notes and other materials from a one-day workshop.
Getting started with LaTeX: an excellent online introduction from David Wilkins.
Great reference book from the Indian TeX Users Group.
Excellent on-line tutorials from Andy Roberts.
More tutorials from the Indian TeX Users Group.
The TeX Catalogue for finding packages.
The first and best place to go is TeX.StackExchange.com. Search for help or ask a question. Otherwise, one of the following websites might be useful.
Guide to Including Graphics: Read this document if you need to include external graphics files.
Hypertext Help with LaTeX: well organized help.
BibTeXing: The definitive guide to BibTeX, the LaTeX bibliography support system.
CTAN: the Comprehensive TeX Archive Network where everything is stored.