Here’s a summary of tips to help you make your photographs really stand out, by simply making a good crop: (read more here)
• Be ruthless about removing parts of the photograph that don’t really add to the overall picture.
• Try rotating the crop, and then re-aligning the photograph behind. This can make a really dramatic difference to the picture.
• Don’t be restricted by standard print dimensions (e.g. 6 x 4 inches, or 7 x 5 inches). Crop to suit the picture, don’t crop to suit the print size. Incidentally, a square crop works especially well for many photos.