There are a few ways to resize an image in Photoshop after placed. The first way is to use the resize tool. To resize an image, click on the image and then drag it to a new location. The second way is to use the crop tool. To crop an image, click on the image and then drag it to a new location. The third way is to use the selection tool. To select an area of an image, click on it and then drag it to a new location.