Building the Back-End of a Photo Site - NETTUTS. Create a Photo Admin Site Using PHP and jQuery - NETTUTS. How to Master Screencasts in Seven Steps - Mashable. Making screencasts (also known as "video tutorials") is already easy, and becomes easier with better tools and broadband proliferation.
However, no tech is complete without a human who dives in, does experiments, and discerns best practices from the results. I've made over 200 video tutorials, mostly for the virtual world of Second Life, and I've also done tutorials for stuff like YouTube and Sony Vegas. If a picture's a 1,000 words, then a video is… a LOT more. Through such experience, these are tips 'n' tricks I'm sure you'll find practical and applicable to your further forays into the video fields: