screenwrite

thanks to Pamela Pettler, we found her collection about the best screenwriting tutorials online. Pamela Pettler

First of all useful websites:

http://johnaugust.com/

http://www.screenwriter.com/

http://theconstantcreator.blogspot.com/

http://www.wgfoundation.org/wow.aspx

Many people have participated in screenwriting internship programs at a studio:

http://writersworkshop.warnerbros.com/

Here are some blogs that are a little more individual: 

http://kenlevine.blogspot.com/http://www.sitcomroom.com/http://complicationsensue.blogspot.com/

Some people recommend this:

http://www.writersbootcamp.com/

It's a great idea to take a class, a seminar, or a workshop--you get a lot of tips, contacts, etc:

http://www2.uclaextension.edu/writers/

http://www.screenwritingexpo.com/

http://www.wgfoundation.org/craftworkshops.aspx

http://www.oneplusproductions.com/

This might be useful too:

http://www.freelancewriting.com/writingevents/writing-events-in-los-angeles.php