Then, it will show your pics in your album and there will be several codes shown below, one being called a DIRECT LINK.
You copy the code from direct link.
Then you open you post and clic on the little square link that looks like two pointy mountians and a sun - if you hover your cursor over it it will say INSERT IMAGE
When you click on that a little window will pop up with a field for you to post the copied code in to. Then it will insert itself into the post.