Don't worry you are perfectly welcome here, though a couple of people might look at you funny (metaphorically speaking).
While we are a gaming community, a roleplaying workshop so to speak, we actually do quite a bit of writing. Think of most of this as a place to post up pieces of a story not yet written. If you have an interesting character, location, setting, item, or plot, you can work it out here by posting it up. Our view of utility will be a bit different than a standard writers group, as characters, locations, groups, etc, written up will need to be supporting types... things that can be "placed" in the game stories of others.
The best thing about this site is it gives you a concrete way to practice descriptive writing and creative elements. If you just posts one thing every day, you will hone your writing stills and your ability to produce prose. You can also build off the ideas of others. You can also exercise your creative muscles here and find new ways to find inspiration.
Personally, I have adopted eight or so categories (or sub categories). I write in each one every two weeks... so I have a self imposed schedule. Each thread is a writing exercise, a forced topic or some constraint on what I write. Some of my favorites are:
*City Image: http://www.strolen.com/content.php?node=1916
*Garage Sale from Hell: http://www.strolen.com/content.php?node=1497
*Rest of the Cast: http://www.strolen.com/content.php?node=1607
(Note: I have loosened my schedule recently because I have some other pressing projects on the board and commitments. I am still putting in one to three posts a day).
I tend to write things in the Dash of Salt category. It is a writing exercise for me. You take a conventional recipe from a source and turn it into a fantasy food piece. My favorites are Kenditho: http://www.strolen.com/content.php?node=2090
[2090#10066|Kenditho] and [2090#10067|Great Kenditho]
And what would be a MoonHunter post without some more links. Here are some links on writing that I have found useful. They are found in the Interesting Writing Thread...
in the Links section of the forum