Here is a list of some fantastic videos about how to write Sci-fi and Fantasy, enjoy!
Brandon Sanderson's Lectures on youtube, from http://writeaboutdragons.com. Brandon's full creative writing class on video.Brandon Sanderson's Over-the-shoulder Writing Videos (see his writing in progress as he writes).
Dan Wells Presentation on the 7-Step Formula, from S James Nelson's Youtube page. One of the best videos on plot structure I've ever seen.
Science fiction fantasy books Youtube page, with a plethora of great videos from various authors.
A page I recently discovered: http://literacyshed.com, with videos and writing prompts.
And this isn't video, but it is fantastic nonetheless: http://www.writingexcuses.com, a fantastic podcast about writing, featuring Dan Wells, Brandon Sanderson, Howard Tayler, and Mary Robinette Kowal.
There you go! That was short and sweet, hopefully filled with useful writing resources, next time, I will be posting about different resources for making your own fantasy maps, for free!
Peace out writers!
-Thomas Larsen