Attach them to a post.
Click on the "Go Advanced" button under the reply box. It's next to the "Post Quick Reply" button. When you get to the advanced screen, scroll down to the middle section titled "Additional Options." In the middle of that section is a button labeled "Manage Attachments." Click on it. A pop up window will open, the process should be fairly self explanatory after that.
"Knowing there is a world that will outlive you, there are people whose well-being depends on how you live your life, affects the way you live your life, whether or not you directly experience those effects.
You want to be the kind of person who has the larger view, who takes other people’s interests into account, who’s dedicated to the principles that you can justify; like justice, knowledge, truth, beauty and morality.