In this article posted on http://www.bluecatscreenplay.com, the author provides tips on how to come up with an idea for a screenplay. The suggestions could help with most any writing project. For instance:

• Set limits on your project. Know exactly what it is you want to write.
• Read newspapers to get ideas.
• Watch documentaries.
• Take a drive in your car.
• Go for a walk.
• Take the day off and visit garage sales.
• Learn a new sport.
• Ask yourself what’s troubling you.