So let's begin, in this instructable I'll show you a powerful way to improve your panorama style (..all right, your style could be already better than mine... let's say it's for anybody loves my panoramas!).
[UPDATE: for a full hand-book about making 360° pictures see here: the-Ultimate-Guide-for-easy-awesome-VR-panoramas]
Step 1: Bracketing?!
Exposure bracketing is essential in photography to save a wide range of details, each one in different light conditions, at least until someone will invent a sensor with a very wide dynamic range... but that's another story.