Have you seen...?
"Thank you for the CC license, I used this for an article, on www.labgrab.com. Great image." LabGrab on Flickr
"Thank you for help me to understand this technique. Reading about it just wasn't enough to really understand it. Great narration and nice camera work!" mapple34 on YouTube
"WOW! I could have saved an entire 12 hour day had I found this first," inventorgrissom on SlideShare