Excel Document Practice 1

This is my first real attempt at a producing a document with Microsoft Excel. It's okay, I guess, for a first time, but I feel like I cheated a little bit using the text box--I had wanted to combine the cells and line up the text and justify it within the larger space created by combining the cells. I also don't know how to align the images. They are aligned by hand. This document also doesn't contain any formulas (i.e., showing how the data combines to some result). I also see now that the caption under the coconut palm image is not centered under the image.