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Depending on the amount of light available, you can also get good pictures in the wild. If you have interesting cloud formations, the sun will often create good contrast and texture. Usually you won't get much detail taking pictures of clouds, and get just a mess of white, but on a cloudy day you can capture very well-defined clouds.
Also, you can get good shots in densely wooded areas. Normally when you have a full sun, the sunlight will be patchy (it has to travel and break through the tree canopies) and make lighting very tricky. You can wait until sunrise or sunset, when the lighting won't be as harsh, or you can just take advantage of a cloudy day.
Vivid sunset pictures can be had on cloudy days. The orange-red light reflecting off clouds is what gives sunsets character and you can take advantage of the opportunity to get some vivid pictures! If you're especially lucky, a small area will appear where two clouds part, letting in a beautiful sunbeam for you to capture on film.