Story Idea Thread - Well, exactly what the title of the thread implies.
What are your works on the board ? - AH.com members do brief presentations of their writing projects and also make recommendations for the works of other fellow members.
Discussions on Writing - A resource page featuring a collection of discussion threads and other wiki pages on the art of writing. Look for potential writing tips and advice here.
Alternate History Timelines and Scenarios - Fully fledged alternate history scenarios, with a both narrative and non-fiction-style approach.