Most appropriate expression for the "Conventional Language" would be: "<span>Holding her spoon, Janine grabbed the jar and then scooped out a large portion of peanut butter".
Most common photo apps can crop photos on their own. If the photo is on your phone, you can use google photos or any other default app to crop it and then transfer it to the computer. This can also be done through the computer with whatever app you use to view the photo.
