Loki reached for the phone immediately because the idea of taking a picture from a low angle was brilliant and he had to. He just had to. He was lining up the shot when the idea struck him to get the boy in there, too.
“Hey,” he said to the brother and launched him up onto his shoulders, “lean over the top and make a face, so I can get all three of you in there.”
If Ninkasi was at all like Thor said she was, she would enjoy this posed piece of artwork. It took a moment of angling properly, but once he got it and looked it over to make sure it truly was a masterpiece, his hand turned the phone around for Thor to see. “How's that?”