1. Upload the image 
   Click on the ‘My Account’ link at the top of the page, then on the ‘Upload File’ link in the left menu. Copy the link to get the URL address

2. Click edit for the text you want to add the image.

3. In the required text area click the image icon in the edit control panel  (looks like a mountain)

4. Enter the URL. Also select the size of the image you want to display. Align to left if you want the image on the left and the text to wrap around it.