Apple provides some pretty nice built-in Faces for the Apple Watch, but if you’re really looking to give the Apple Watch your own personal sense of style, you’ll be happy to know that watchOS 2 lets you select one of your own photos to use as an Apple Watch Face. You can choose to either use a single photo (including Live Photos if you’ve got an iPhone 6s, iPhone 6s Plus, or iPhone SE), or choose to cycle through your entire synced…