pano.iove.org is a site to help you generate your own panoramic images.
A panoramic image ("panorama") is a single image made up of several others, usually for the purpose of creating images with a much wider field of view.
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It's simple to get started! Just give your panorama a name and click the button!
There is a good guide for taking photographs suitable for panoramas, here:
In summary though, the most important things to remember are:
Other things to help include using fixed settings for exposures and white balances. But the most important thing is to have a try, improve as you go and enjoy making and sharing beautiful panoramas.
Some examples of panoramas I have created are available on my flickr page