One of my writing/critique partners, Grace d'Otare, recently published a short erotica story for Spice Briefs through eHarlequin.com.
Right now on the Harlequin forums, there's a Q&A discussion going on with the Spice editor, Susan Pezzack Swinwood, about what they're looking for in Spice and how the process works. (As way of background: Spice is the full-length printed novel format, and Spice Briefs are the short-story electronic download format.)
As I'm slowly (I emphasize *slowly*) working on my own submission for Spice Briefs, I find the discussion wonderfully informative, especially the information about the editing process and audible versions. Check it out here. Oh, and beware of the clown jokes -- I mean, who wouldn't want to buy a collection of clown erotica? (And if you do, talk to author Megan Hart. It's her idea.)
On a similar vein, there's also a forum discussion going on amongst the Spice writers with a lot more good information about writing, especially in a short format. Check out To be Brief...