"Pikachu!!"
Translation: "Hi, everyone!!"

"Pika. Pika-pi! Pika-chuu!!"
Translation: "This is my photo vault. I store all of Autumn the Cuzzy's screen captures from the TV show in here! I hope you like them!!"

"Pi-ka, pika-pikachu. Pi? Pika-chu?"
Translation: "I divided all of the pictures into separate groups, so you can view them easier. Who do you want to see pictures of?"