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Just keep in mind that it's not tight just for the sake of being tight, but for the sake of bringing the viewer closer to the key action and removing distractions from the frame. Some of your images are wide and appropriately so given what is included in the frame. Others, particularly those Rick has cropped, are wide with no obvious reason for being so given that the other elements included in the frame were not adding anything of value to the image. Assuming you have the proper lenses for the job, some of this can be taken care of at the time the images are created. Beyond that, it's between your eye and the cropping tool.