I have heard book trailers are actaully a great marketing and promotion tool that has really been working for writers. I think if your book even has a youtube page, it will also do a lot of promotion for you. People want to listen and view things...

I think these are the sort of things writers must remind themselves all the time. So many of us think the "hardest" part is this one single thing. When many times simply being a writer, having all those voices in your head, pining for "acceptance"...