I'm trying to get into posting my fanfics here, so here are a few links that I've found to help me do this correctly.

How to Post a Fanfic: http://fanfic-howto.livejournal.com/514.html
Doctor Who Fandom: http://newbieguide.livejournal.com/14312.html
Master List of Fandoms: http://newbieguide.livejournal.com/6259.html
LJ Formatting Info: http://fandom-grammar.livejournal.com/9516.html