Add a description of the contents of your gallery, so it will be more visible for other users. Remember that you can also add descriptions to each image.
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In the interests of better presentation, I offer a short series, with a passing relevance to 'cropping'. I do it a lot - my galleries are distinctive for that reason. The intention of any such modification is to make an image have impact on the viewer, by eliminating extraneous matter [cutting out the crud]. Even the first one here has had some attention - follow them all and see if there are points you would like to adopt, all in the pursuit of more enjoyable galleries of improved quality of course. . . . . . . I have read somewhere that pictures uploaded are ones taken by professionals, or at least by someone who knows what they are doing. Not most of the ones I see . . .