eclipse rcp : about dialog contribution

How can I let my plugin icon appear 开发者_开发知识库at here :

Another question : how to write about text with format like above picture? As you can see, there are hyperlinks and line breaks, but in the product configuration only plain text is allowed.

You will need a branding plugin. Here is a tutorial that shows the process. In the feature.xml you can specify a branding plugin and in your branding plugin you can add about.ini and about.properties to add a feature image. To modify the text in the about dialog itself you have to define an Eclipse product.