With our Post cells now correctly being laid out in our <b>UICollectionView</b>, we can now focus on adding in the necessary subview details. In this lesson, we'll go ahead and create the user profile image view, username label, various action buttons, and caption label at the bottom. To fit all these subviews inside of our cells, we'll discuss the proper height to give our cells inside of <b>sizeForItem</b>. A long episode but it's packed with a bunch of useful information.