Pixelated photos are always a site for sore eyes. When you crop your photos in Photoshop you can keep your aspect ratio to stay wayward of the "pixelation desecration". When you hold down Shift during your crop it will retain the aspect ratio so you have nothing to worry about. There are also some more commands to help keep aspect ratio during zoom, crop, moving, or anything else of that matter. This video will demonstrate exactly how to retain aspect ratio when cropping in Adobe Photoshop.