You could post your browser/platform and what you were doing when it blew up so that they might fix it. Just a thought.

Picurio (YC W09) unveils camera-in-browser for Mac/Safari

If it's not going to work as advertised (and it's advertised as being a quick and painless plugin), then what's the point?

It clearly works well enough in their own testing for them to be comfortable releasing it. That it's not working for you indicates there's something going on they don't know about.

You could assist them and other prospective users by helping them fix it.

Or you could sneer. Whatever you want.

The point is to help a startup improve. That's sort of the M.O. around here.