Making a picture smaller will reduce its detail but maintain image quality, while making a picture larger can enhance its detail but at the expense of image quality. You can resize an inserted picture to make it appear smaller or larger on the page.

Doing so turns off the invisible grid that moving selections snap to. For more precise positioning, hold the Option key on your keyboard while dragging a picture.

Tip: To move or align a picture you’ve inserted, click and drag it anywhere on the page.