Generating 220px*50px images can be achieved by image processing software such as Photoshop and GIMP. , or online tools such as changing pictures. The specific steps are as follows: First, open the image processing software or online tool and load the image to be processed. Then, find the crop or resize tool, which is usually displayed as a scissors icon or a size button. Next, in the tool, set the required cutting size, that is, the width is 220px and the height is 50px. After that, select the part you want to keep in the image. Finally, click "Crop" or "Apply" button to crop the image to the required size. When finished, save the cropped image.