...Should I wait until the episode airs in the US? I mean, a lot of bronies have access to it but I don't think everyone can or is willing to watch it online, and is instead waiting for the episode to air in their home countries (although I only know the US' schedule, given I live there, so that's what I'm working off of. However, if I wait, not only might interest die down, but someone else might post a story with a similar concept first, overshadowing mine. Thoughts?

If you're curious about the concept, it's a oneshot exploring why Celestia would ever become Daybreaker, done in the form of a dialogue.

Don't wait. Go for it.

I agree with anneldest

Now the second question - is it okay to advertise it here?

5973593 what do you mean?

5973629 I would think that's pretty self-explanatory. Is it okay to make a thread here linking to the story once it's up?

5973698 oh, you mean self-advertise your story; I think it's fine, as long as everyone else is fine with it.