Professional Photography Achievement
You took a picture of all the PP Stickers. You've got a good eye.
Just make sure you see the little green check mark in the PP sticker after you take the picture and your 1000 experience points pop up. That's how you'll know the picture counted. If your camera is full, exit out to the menu and view your pictures. There will be an option to delete them there.
Here's a video guide of all ten locations.