I have added detailed information on how to add pictures to your blog on the Help page.
You can find information and instructions on pretty much everything (I hope) on the Help page, so please make it a habit to check there first before you ask.
Learn how to add a picture to the blog!
And speaking of pictures, here's a dog I painted a couple of years ago, it's watercolor. I love painting but I find it so difficult to figure out what to paint, haha!