insert picture

How would I create lines to go across and up and down to touch the ruler on the top and the left side? How would I determine the center of the top and left side of the ruler? How would I insert a picture to line up with the lines in the ruler after I place them there?

I dont know if I am posting in the correct section, but I've been trying to figure out a way to insert a picture into a word document and I have not figured out a way to do this. Further clarifying, starting from Word, I would like to launch the camera app from it, snap a picture, and have...