LaTeX for linguists and other dummies

An easy intro to get you less scared of it:
http://www.andy-roberts.net/misc/latex/latextutorial1.html

A more in-depth intro:
http://en.wikibooks.org/wiki/LaTeX/Absolute_Beginners

Online workshop:
http://www.statistik.lmu.de/~robinzoni/lva/ss09/latex09.html

Tutorial with pictures:
http://www.pages.drexel.edu/~pyo22/students/latexRelated/latexTutorial.html

And finally, when all hope fails, a place to ask for help:
http://www.latex-community.org/forum/