You can post them if you want but they need to be on a web page from which to be linked to. If you have them on a freinds or your website, then right click the mouse on the pictures and click on "properties" to get the URL with pic name and type like JPG or GIF (must be complete url)copy and paste it on this thread with  and img(img between those two brackets before the URL addy) and  with /img inside those brackets at the end and the picture will appear. For ease of understanding, click on the "edit post" icon at the bottom of each individual post and you will see where a picture was is not the language used to put it there. Like this:
Click "edit" which is the icon of paper with pencil at bottom of this post and you will see how posting these pictures is done. Have fun and welcome!