Don't double-post please, use the Modify button if no one has replied yet.
Looks like smooth plays with the
Smoothing Groups. This is something that you could test out on your own, so try that out next time
It's faster than waiting for an answer on a forum.
You create a camera by hitting CTRL+B - perhaps that's what you're doing? You can delete it by hitting the Delete key.
The "Curve" setting determines how concave your object is. Play around with it.
(I've also split your thread - it's no longer pertaining to contribution, but addresses modeling problems.)
