Agreed. A better pitch may be, "the easiest way to get screencasts on the web". This is like Skitch, but for screencasts.

For Twitter buzz, throw some stupid badge in there that says, "works with Twitter!"

Jing looks like some kind of Tonka Truck toy. Design matters, Screenr has that down. Now for revenue... not sure, I just know that Twitter wins big time w/ the way Screenr is setup.