How to add an image:
To add an image use following code:
<img src="http://www.youroperator.com/image.jpg">
This will load image from http://www.youroperator.com/image.jpg.

How to add a link:
To add a links use following code:
<a href="http://www.youroperator.com/">Link text here</a>
This will make a links to http://www.youroperator.com/ and it will be on a text Links text here.

Some basic text format codes:
To madify text use following commands:
<b>This is bold text</b> <u>This is underline text</u> <i>This is italic text</i> <strike>This is strike text</strike> <font size="4">This is bigger font</font>.