Here is How to Add A Image :)...
<img src="URL of image" width="??" height="???">

1) Right click The Cherries,

2) Then Click Properties

3) You now see, the URL, & the height and width of the image

4) Copy The URL image location

4) Insert the URL where it says, URL of Image in the code above

5) Adjust the width value to suit your needs... or use the size you viewed in the properties in step 3

6) Paste the code in the edit field

7) The code for the Cherries Should look like below...

<img src="http://www.naughtyfriendz.com/newbuttons/cherry.jpg" width="71">

Two Common errors are; a misspelling of src, and a missing "quote".. ;-)