Resources

Straight forward advice
Screenwriting Articles <— A WEALTH OF SCREENWRITING TIPS

A chronicle of a man and his quest to be creative
http://www.merreldavis.com/blog/ 

Mystery Man on Film
http://www.mysteryman.org/

http://www.wikihow.com/Write-a-Screenplay

http://www.screenwriting.info/

Place your script online
http://www.greenwriter.org
Greenwriter service is completely free of charge for writers! Check it out!

http://www.inktip.com/index.php

A Writers Life
http://leegoldberg.typepad.com/

How to sell your screenplay
http://www.sellingyourscreenplay.com/

Indie Filmmaking
(Extensive Guide on How to Make an Indie Film)
http://www.indie-film-making.com/

Screenwriting Competitions

Scriptapalooza
http://www.scriptapalooza.com

Script Pimp
http://www.scriptpimp.com

Guilds

WGA west
http://www.wga.org/

WGA east
http://www.wgae.org/

DGA
http://www.dga.org/

SAG
http://www.sag.org/

AFTRA
http://aftra.org/aftra/aftra.htm

Guild Literary Agents
http://hollywoodfunding.com/wga.htm