User Level: 

A simple link field has been added into the Media Browser interface to provide users with the ability to attach a link to an image that they are embedding.

To link your image using this field:

From within the Media Browser user interface, locate the Link Image field.

Enter the URL that you wish to link to. You must add the http:// at the beginning of the address.

After the URL is typed in, click the Submit button.

Save your node and test your link.