Put the title that you have before and write a content for article. If you want create a picture, you can upload besides in right "LINK" in toolbar. Click that symbol and then upload your picture after you clicked.
After all done, you can publish post an article in below that have orange color. If you want to make label, you can click edit the posted. For more ask about publish post article in blogger you can add me in twitter or skype in My Contact widget.