How do I embed a linked web image in a text box?
Locate and copy the image link.
Locate the image on the web that you want to embed.
Right-Click the Image (PC) or CTRL-Click (MAC) the image and copy the image URL to your computer's clipboard (CTRL-C -PC or COMMAND-C - MAC).
Position the cursor.

Position your cursor in the text box at the point you want to embed the web linked image.
Paste the URL.

Paste the copied URL into the box marked URL. (Use CTRL-V - PC or COMMAND-V - MAC to paste.)