The International Screenwriting Association recently suggested this list of script consultants. If you're a member of ISA (which simply entails signing up for their newsletter) you can get a discount with many of these consulting services.
The Top 5 Screenwriting Mistakes to Avoid
This list comes from Hal Croasmun of ScreenwritingU. Here's what Hal had to say.
10 Writing Tips from the Great Billy Wilder
Scott Myers of GoIntotheStory.com recently posted this list of ten writing tips passed down by the amazing Billy Wilder. Wilder was the scribe behind such classics as Some Like it Hot, The Apartment, The Seven Year Itch, Sabrina, and Double Indemnity, to name a few.
Using Voice-Over Effectively
This article from the Script Lab on the top ten films to utilize voice-over gives some great insight into how to approach voice-over in your own film.
Ten Tips to Get You Writing
This list of ten tips for screenwriters from FilmScriptWriting.com is a useful resource for avoiding writer's block and inspiring creativity.
5 Lessons from the Work of Sidney Lumet
Sidney Lumet, director of such masterpieces as 12 Angry Men, Network, Dog Day Afternoon, and The Verdict passed away this weekend. S.T. Vanairsdale was quick to report on the life lessons we can all learn from his work.