To Make an External Link:
1. Type the name of your link: World War I
2. Highlight the words that you want to link
3. Click the world link at the top of the page
4. Mark "External Link" and paste your url in the box
5. Save!
Note: the same can be done to link a picture to an external website (hightlight the picture)

To Align your Pictures:
1. Click on the picture
2. In the small box that appears (you may have to scroll down a little), select "left" or "right" alignment
3. Highlight the picture and drag it to the top of your entry to embed the text.