Create an actual Sea Change in your Images! The Go Ask Erin Water Replacement Starter Pack provides more than 50 underwater backgrounds and 45 minutes of detailed tutorial video to help jumpstart your mastery of Photoshop’s amazing Sky(aka Water) Replacement feature. It’s not Artificial Intelligence that superpowers it – it’s pure badass wizardry that lets you abracadabra your less-than-stellar negative spaces into wild new worlds.