The first method—inserting a PSD file—supports what Adobe calls Smart Objects, which lets Dreamweaver keep track of whether you update the original Photoshop file, and, if so, gives you the option to update the compressed, web-ready version of the image, too. Nice. That’s great news if you’re the type who constantly tweaks your artwork in Photoshop. The second method—copying and pasting from Photoshop—doesn’t keep track of any changes to the original file. Both methods are explained in the following pages.